hedgewars/uRender.pas
author Xeli
Wed, 22 Jun 2011 00:38:31 +0200
branchhedgeroid
changeset 5286 22c1f4833a86
parent 5235 e30b06ffea3a
child 5441 39962b855540
permissions -rw-r--r--
First commit..
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(*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2011 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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 *)
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{$INCLUDE "options.inc"}
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unit uRender;
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interface
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uses SDLh, uTypes, GLunit;
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procedure DrawSpriteFromRect(Sprite: TSprite; r: TSDL_Rect; X, Y, Height, Position: LongInt);
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procedure DrawFromRect(X, Y, W, H: LongInt; r: PSDL_Rect; SourceTexture: PTexture);
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procedure DrawFromRect(X, Y: LongInt; r: PSDL_Rect; SourceTexture: PTexture);
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procedure DrawSprite (Sprite: TSprite; X, Y, Frame: LongInt);
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procedure DrawSprite2(Sprite: TSprite; X, Y, FrameX, FrameY: LongInt);
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procedure DrawSpriteClipped(Sprite: TSprite; X, Y, TopY, RightX, BottomY, LeftX: LongInt);
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procedure DrawTexture(X, Y: LongInt; Texture: PTexture; Scale: GLfloat = 1.0);
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procedure DrawTextureF(Texture: PTexture; Scale: GLfloat; X, Y, Frame, Dir, w, h: LongInt);
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procedure DrawRotatedTextureF(Texture: PTexture; Scale, OffsetX, OffsetY: GLfloat; X, Y, Frame, Dir, w, h: LongInt; Angle: real);
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procedure DrawRotated(Sprite: TSprite; X, Y, Dir: LongInt; Angle: real);
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procedure DrawRotatedF(Sprite: TSprite; X, Y, Frame, Dir: LongInt; Angle: real);
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procedure DrawRotatedTex(Tex: PTexture; hw, hh, X, Y, Dir: LongInt; Angle: real);
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procedure DrawCentered(X, Top: LongInt; Source: PTexture);
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procedure DrawLine(X0, Y0, X1, Y1, Width: Single; r, g, b, a: Byte);
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procedure DrawFillRect(r: TSDL_Rect);
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procedure DrawCircle(X, Y, Radius, Width: LongInt; r, g, b, a: Byte);
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procedure DrawCircle(X, Y, Radius, Width: LongInt);
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procedure DrawHedgehog(X, Y: LongInt; Dir: LongInt; Pos, Step: LongWord; Angle: real);
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procedure Tint(r, g, b, a: Byte); inline;
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procedure Tint(c: Longword); inline;
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var
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    HHTexture: PTexture;
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implementation
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uses uVariables;
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var
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    lastTint: Longword;
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procedure DrawSpriteFromRect(Sprite: TSprite; r: TSDL_Rect; X, Y, Height, Position: LongInt);
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begin
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r.y:= r.y + Height * Position;
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r.h:= Height;
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DrawFromRect(X, Y, @r, SpritesData[Sprite].Texture)
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end;
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procedure DrawFromRect(X, Y: LongInt; r: PSDL_Rect; SourceTexture: PTexture);
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begin
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DrawFromRect(X, Y, r^.w, r^.h, r, SourceTexture)
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end;
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procedure DrawFromRect(X, Y, W, H: LongInt; r: PSDL_Rect; SourceTexture: PTexture);
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var rr: TSDL_Rect;
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    _l, _r, _t, _b: real;
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    VertexBuffer, TextureBuffer: array [0..3] of TVertex2f;
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begin
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if (SourceTexture^.h = 0) or (SourceTexture^.w = 0) then exit;
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// don't draw anything outside the visible screen space (first check fixes some sprite drawing, e.g. hedgehogs)
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if (abs(X) > W) and ((abs(X + W / 2) - W / 2) > cScreenWidth / cScaleFactor) then
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    exit;
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if (abs(Y) > H) and ((abs(Y + H / 2 - (0.5 * cScreenHeight)) - H / 2) > cScreenHeight / cScaleFactor) then
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    exit;
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rr.x:= X;
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rr.y:= Y;
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rr.w:= W;
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rr.h:= H;
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_l:= r^.x / SourceTexture^.w * SourceTexture^.rx;
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_r:= (r^.x + r^.w) / SourceTexture^.w * SourceTexture^.rx;
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_t:= r^.y / SourceTexture^.h * SourceTexture^.ry;
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_b:= (r^.y + r^.h) / SourceTexture^.h * SourceTexture^.ry;
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glBindTexture(GL_TEXTURE_2D, SourceTexture^.id);
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VertexBuffer[0].X:= X;
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VertexBuffer[0].Y:= Y;
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VertexBuffer[1].X:= rr.w + X;
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VertexBuffer[1].Y:= Y;
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VertexBuffer[2].X:= rr.w + X;
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VertexBuffer[2].Y:= rr.h + Y;
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VertexBuffer[3].X:= X;
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VertexBuffer[3].Y:= rr.h + Y;
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TextureBuffer[0].X:= _l;
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TextureBuffer[0].Y:= _t;
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TextureBuffer[1].X:= _r;
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TextureBuffer[1].Y:= _t;
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TextureBuffer[2].X:= _r;
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TextureBuffer[2].Y:= _b;
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TextureBuffer[3].X:= _l;
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TextureBuffer[3].Y:= _b;
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glVertexPointer(2, GL_FLOAT, 0, @VertexBuffer[0]);
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glTexCoordPointer(2, GL_FLOAT, 0, @TextureBuffer[0]);
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glDrawArrays(GL_TRIANGLE_FAN, 0, Length(VertexBuffer));
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end;
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procedure DrawTexture(X, Y: LongInt; Texture: PTexture; Scale: GLfloat);
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begin
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glPushMatrix;
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glTranslatef(X, Y, 0);
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glScalef(Scale, Scale, 1);
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glBindTexture(GL_TEXTURE_2D, Texture^.id);
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glVertexPointer(2, GL_FLOAT, 0, @Texture^.vb);
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glTexCoordPointer(2, GL_FLOAT, 0, @Texture^.tb);
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glDrawArrays(GL_TRIANGLE_FAN, 0, Length(Texture^.vb));
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glPopMatrix
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end;
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procedure DrawTextureF(Texture: PTexture; Scale: GLfloat; X, Y, Frame, Dir, w, h: LongInt);
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begin
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    DrawRotatedTextureF(Texture, Scale, 0, 0, X, Y, Frame, Dir, w, h, 0)
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end;
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procedure DrawRotatedTextureF(Texture: PTexture; Scale, OffsetX, OffsetY: GLfloat; X, Y, Frame, Dir, w, h: LongInt; Angle: real);
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var ft, fb, fl, fr: GLfloat;
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    hw, nx, ny: LongInt;
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    VertexBuffer, TextureBuffer: array [0..3] of TVertex2f;
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begin
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// don't draw anything outside the visible screen space (first check fixes some sprite drawing, e.g. hedgehogs)
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if (abs(X) > W) and ((abs(X + dir * OffsetX) - W / 2) * cScaleFactor > cScreenWidth) then
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    exit;
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if (abs(Y) > H) and ((abs(Y + OffsetY - (0.5 * cScreenHeight)) - W / 2) * cScaleFactor > cScreenHeight) then
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    exit;
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glPushMatrix;
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glTranslatef(X, Y, 0);
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if Dir < 0 then
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   glRotatef(Angle, 0, 0, -1)
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else
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   glRotatef(Angle, 0, 0,  1);
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glTranslatef(Dir*OffsetX, OffsetY, 0);
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glScalef(Scale, Scale, 1);
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// Any reason for this call? And why only in t direction, not s?
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//glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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if Dir < 0 then
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    hw:= w div -2
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else
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    hw:= w div 2;
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nx:= round(Texture^.w / w); // number of horizontal frames
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ny:= round(Texture^.h / h); // number of vertical frames
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ft:= (Frame mod ny) * Texture^.ry / ny;
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fb:= ((Frame mod ny) + 1) * Texture^.ry / ny;
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fl:= (Frame div ny) * Texture^.rx / nx;
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fr:= ((Frame div ny) + 1) * Texture^.rx / nx;
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glBindTexture(GL_TEXTURE_2D, Texture^.id);
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VertexBuffer[0].X:= -hw;
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VertexBuffer[0].Y:= w / -2;
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VertexBuffer[1].X:= hw;
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VertexBuffer[1].Y:= w / -2;
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VertexBuffer[2].X:= hw;
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VertexBuffer[2].Y:= w / 2;
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VertexBuffer[3].X:= -hw;
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VertexBuffer[3].Y:= w / 2;
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TextureBuffer[0].X:= fl;
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TextureBuffer[0].Y:= ft;
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TextureBuffer[1].X:= fr;
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TextureBuffer[1].Y:= ft;
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TextureBuffer[2].X:= fr;
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TextureBuffer[2].Y:= fb;
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TextureBuffer[3].X:= fl;
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TextureBuffer[3].Y:= fb;
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glVertexPointer(2, GL_FLOAT, 0, @VertexBuffer[0]);
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glTexCoordPointer(2, GL_FLOAT, 0, @TextureBuffer[0]);
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glDrawArrays(GL_TRIANGLE_FAN, 0, Length(VertexBuffer));
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glPopMatrix
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end;
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procedure DrawRotated(Sprite: TSprite; X, Y, Dir: LongInt; Angle: real);
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begin
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    DrawRotatedTex(SpritesData[Sprite].Texture,
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        SpritesData[Sprite].Width,
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        SpritesData[Sprite].Height,
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        X, Y, Dir, Angle)
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end;
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procedure DrawRotatedF(Sprite: TSprite; X, Y, Frame, Dir: LongInt; Angle: real);
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begin
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glPushMatrix;
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glTranslatef(X, Y, 0);
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if Dir < 0 then
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   glRotatef(Angle, 0, 0, -1)
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else
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   glRotatef(Angle, 0, 0,  1);
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if Dir < 0 then glScalef(-1.0, 1.0, 1.0);
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DrawSprite(Sprite, -SpritesData[Sprite].Width div 2, -SpritesData[Sprite].Height div 2, Frame);
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glPopMatrix
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end;
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procedure DrawRotatedTex(Tex: PTexture; hw, hh, X, Y, Dir: LongInt; Angle: real);
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var VertexBuffer: array [0..3] of TVertex2f;
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begin
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// don't draw anything outside the visible screen space (first check fixes some sprite drawing, e.g. hedgehogs)
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if (abs(X) > 2 * hw) and ((abs(X) - hw) > cScreenWidth / cScaleFactor) then
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    exit;
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if (abs(Y) > 2 * hh) and ((abs(Y - 0.5 * cScreenHeight) - hh) > cScreenHeight / cScaleFactor) then
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    exit;
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glPushMatrix;
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glTranslatef(X, Y, 0);
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if Dir < 0 then
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   begin
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   hw:= - hw;
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   glRotatef(Angle, 0, 0, -1);
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   end else
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   glRotatef(Angle, 0, 0,  1);
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glBindTexture(GL_TEXTURE_2D, Tex^.id);
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VertexBuffer[0].X:= -hw;
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VertexBuffer[0].Y:= -hh;
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VertexBuffer[1].X:= hw;
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VertexBuffer[1].Y:= -hh;
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VertexBuffer[2].X:= hw;
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VertexBuffer[2].Y:= hh;
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VertexBuffer[3].X:= -hw;
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VertexBuffer[3].Y:= hh;
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glVertexPointer(2, GL_FLOAT, 0, @VertexBuffer[0]);
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glTexCoordPointer(2, GL_FLOAT, 0, @Tex^.tb);
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glDrawArrays(GL_TRIANGLE_FAN, 0, Length(VertexBuffer));
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glPopMatrix
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end;
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procedure DrawSprite (Sprite: TSprite; X, Y, Frame: LongInt);
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var row, col, numFramesFirstCol: LongInt;
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begin
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if SpritesData[Sprite].imageHeight = 0 then exit;
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numFramesFirstCol:= SpritesData[Sprite].imageHeight div SpritesData[Sprite].Height;
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row:= Frame mod numFramesFirstCol;
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col:= Frame div numFramesFirstCol;
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DrawSprite2 (Sprite, X, Y, col, row);
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end;
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procedure DrawSpriteClipped(Sprite: TSprite; X, Y, TopY, RightX, BottomY, LeftX: LongInt);
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var r: TSDL_Rect;
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begin
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r.x:= 0;
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r.y:= 0;
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r.w:= SpritesData[Sprite].Width;
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r.h:= SpritesData[Sprite].Height;
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if (X < LeftX) then
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    r.x:= LeftX - X;
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if (Y < TopY) then
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    r.y:= TopY - Y;
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if (Y + SpritesData[Sprite].Height > BottomY) then
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    r.h:= BottomY - Y + 1;
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if (X + SpritesData[Sprite].Width > RightX) then
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    r.w:= RightX - X + 1;
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dec(r.h, r.y);
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dec(r.w, r.x);
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DrawFromRect(X + r.x, Y + r.y, @r, SpritesData[Sprite].Texture)
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end;
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procedure DrawSprite2(Sprite: TSprite; X, Y, FrameX, FrameY: LongInt);
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var r: TSDL_Rect;
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begin
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    r.x:= FrameX * SpritesData[Sprite].Width;
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    r.w:= SpritesData[Sprite].Width;
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    r.y:= FrameY * SpritesData[Sprite].Height;
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    r.h:= SpritesData[Sprite].Height;
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    DrawFromRect(X, Y, @r, SpritesData[Sprite].Texture)
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end;
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procedure DrawCentered(X, Top: LongInt; Source: PTexture);
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var scale: GLfloat;
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begin
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    if (Source^.w + 20) > cScreenWidth then
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        scale:= cScreenWidth / (Source^.w + 20)
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    else
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        scale:= 1.0;
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    DrawTexture(X - round(Source^.w * scale) div 2, Top, Source, scale)
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end;
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procedure DrawLine(X0, Y0, X1, Y1, Width: Single; r, g, b, a: Byte);
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var VertexBuffer: array [0..3] of TVertex2f;
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begin
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    glDisable(GL_TEXTURE_2D);
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    glEnable(GL_LINE_SMOOTH);
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    glPushMatrix;
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    glTranslatef(WorldDx, WorldDy, 0);
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    glLineWidth(Width);
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    Tint(r, g, b, a);
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    VertexBuffer[0].X:= X0;
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    VertexBuffer[0].Y:= Y0;
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    VertexBuffer[1].X:= X1;
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    VertexBuffer[1].Y:= Y1;
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    glVertexPointer(2, GL_FLOAT, 0, @VertexBuffer[0]);
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    glDrawArrays(GL_LINES, 0, Length(VertexBuffer));
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    Tint($FF, $FF, $FF, $FF);
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    glPopMatrix;
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    glEnable(GL_TEXTURE_2D);
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    glDisable(GL_LINE_SMOOTH);
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end;
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procedure DrawFillRect(r: TSDL_Rect);
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var VertexBuffer: array [0..3] of TVertex2f;
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begin
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// don't draw anything outside the visible screen space (first check fixes some sprite drawing, e.g. hedgehogs)
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if (abs(r.x) > r.w) and ((abs(r.x + r.w / 2) - r.w / 2) * cScaleFactor > cScreenWidth) then
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    exit;
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if (abs(r.y) > r.h) and ((abs(r.y + r.h / 2 - (0.5 * cScreenHeight)) - r.h / 2) * cScaleFactor > cScreenHeight) then
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    exit;
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glDisable(GL_TEXTURE_2D);
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Tint($00, $00, $00, $80);
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VertexBuffer[0].X:= r.x;
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VertexBuffer[0].Y:= r.y;
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VertexBuffer[1].X:= r.x + r.w;
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VertexBuffer[1].Y:= r.y;
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VertexBuffer[2].X:= r.x + r.w;
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parents:
diff changeset
   364
VertexBuffer[2].Y:= r.y + r.h;
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   365
VertexBuffer[3].X:= r.x;
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   366
VertexBuffer[3].Y:= r.y + r.h;
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   367
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   368
glVertexPointer(2, GL_FLOAT, 0, @VertexBuffer[0]);
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   369
glDrawArrays(GL_TRIANGLE_FAN, 0, Length(VertexBuffer));
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   370
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   371
Tint($FF, $FF, $FF, $FF);
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   372
glEnable(GL_TEXTURE_2D)
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   373
end;
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   374
4420
6be946bcd17a Add a visual gear for drawing circles. Intent is to allow specifying areas on map for lua scripts (such as to indicate a location to go to). Could also be used to, say, circle a hog in CTF. Also add a "Critical" flag for visual gears so a gear flagges as such will always be created.
nemo
parents: 4385
diff changeset
   375
procedure DrawCircle(X, Y, Radius, Width: LongInt; r, g, b, a: Byte); 
4451
1c342980b4aa trying to get tint to behave more as I expect. need to ask Smaxx what he intended here, to avoid too many pointless colour calls
nemo
parents: 4420
diff changeset
   376
begin
1c342980b4aa trying to get tint to behave more as I expect. need to ask Smaxx what he intended here, to avoid too many pointless colour calls
nemo
parents: 4420
diff changeset
   377
    Tint(r, g, b, a);
1c342980b4aa trying to get tint to behave more as I expect. need to ask Smaxx what he intended here, to avoid too many pointless colour calls
nemo
parents: 4420
diff changeset
   378
    DrawCircle(X, Y, Radius, Width); 
1c342980b4aa trying to get tint to behave more as I expect. need to ask Smaxx what he intended here, to avoid too many pointless colour calls
nemo
parents: 4420
diff changeset
   379
    Tint($FF, $FF, $FF, $FF);
1c342980b4aa trying to get tint to behave more as I expect. need to ask Smaxx what he intended here, to avoid too many pointless colour calls
nemo
parents: 4420
diff changeset
   380
end;
1c342980b4aa trying to get tint to behave more as I expect. need to ask Smaxx what he intended here, to avoid too many pointless colour calls
nemo
parents: 4420
diff changeset
   381
1c342980b4aa trying to get tint to behave more as I expect. need to ask Smaxx what he intended here, to avoid too many pointless colour calls
nemo
parents: 4420
diff changeset
   382
procedure DrawCircle(X, Y, Radius, Width: LongInt); 
4378
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   383
var
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   384
    i: LongInt;
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   385
    CircleVertex: array [0..359] of TVertex2f;
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   386
begin
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   387
    for i := 0 to 359 do begin
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   388
        CircleVertex[i].X := X + Radius*cos(i*pi/180);
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   389
        CircleVertex[i].Y := Y + Radius*sin(i*pi/180);
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   390
    end;
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   391
    glDisable(GL_TEXTURE_2D);
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   392
    glEnable(GL_LINE_SMOOTH);
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   393
    glPushMatrix;
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   394
    glLineWidth(Width);
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   395
    glVertexPointer(2, GL_FLOAT, 0, @CircleVertex[0]);
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   396
    glDrawArrays(GL_LINE_LOOP, 0, 360);
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   397
    glPopMatrix;
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   398
    glEnable(GL_TEXTURE_2D);
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   399
    glDisable(GL_LINE_SMOOTH);
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   400
end;
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   401
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   402
4385
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   403
procedure DrawHedgehog(X, Y: LongInt; Dir: LongInt; Pos, Step: LongWord; Angle: real);
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   404
const VertexBuffer: array [0..3] of TVertex2f = (
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   405
        (x: -16; y: -16),
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   406
        (x:  16; y: -16),
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   407
        (x:  16; y:  16),
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   408
        (x: -16; y:  16));
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   409
var l, r, t, b: real;
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   410
    TextureBuffer: array [0..3] of TVertex2f;
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   411
begin
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   412
    // don't draw anything outside the visible screen space (first check fixes some sprite drawing, e.g. hedgehogs)
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   413
    if (abs(X) > 32) and ((abs(X) - 16) * cScaleFactor > cScreenWidth) then
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   414
        exit;
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   415
    if (abs(Y) > 32) and ((abs(Y - 0.5 * cScreenHeight) - 16) * cScaleFactor > cScreenHeight) then
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   416
        exit;
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   417
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   418
    t:= Pos * 32 / HHTexture^.h;
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   419
    b:= (Pos + 1) * 32 / HHTexture^.h;
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   420
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   421
    if Dir = -1 then
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   422
    begin
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   423
    l:= (Step + 1) * 32 / HHTexture^.w;
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   424
    r:= Step * 32 / HHTexture^.w
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   425
    end else
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   426
    begin
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   427
    l:= Step * 32 / HHTexture^.w;
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   428
    r:= (Step + 1) * 32 / HHTexture^.w
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   429
    end;
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   430
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   431
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   432
    glPushMatrix();
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   433
    glTranslatef(X, Y, 0);
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   434
    glRotatef(Angle, 0, 0, 1);
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   435
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   436
    glBindTexture(GL_TEXTURE_2D, HHTexture^.id);
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   437
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   438
    TextureBuffer[0].X:= l;
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   439
    TextureBuffer[0].Y:= t;
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   440
    TextureBuffer[1].X:= r;
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   441
    TextureBuffer[1].Y:= t;
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   442
    TextureBuffer[2].X:= r;
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   443
    TextureBuffer[2].Y:= b;
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   444
    TextureBuffer[3].X:= l;
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   445
    TextureBuffer[3].Y:= b;
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   446
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   447
    glVertexPointer(2, GL_FLOAT, 0, @VertexBuffer[0]);
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   448
    glTexCoordPointer(2, GL_FLOAT, 0, @TextureBuffer[0]);
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   449
    glDrawArrays(GL_TRIANGLE_FAN, 0, Length(VertexBuffer));
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   450
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   451
    glPopMatrix
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   452
end;
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   453
f679ffa2dc8c Introduce uGearsRender
unc0rr
parents: 4378
diff changeset
   454
4378
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   455
procedure Tint(r, g, b, a: Byte); inline;
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   456
var nc: Longword;
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   457
begin
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   458
nc:= (a shl 24) or (b shl 16) or (g shl 8) or r;
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   459
if nc = lastTint then
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   460
    exit;
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   461
glColor4ub(r, g, b, a);
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   462
lastTint:= nc;
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   463
end;
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   464
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   465
procedure Tint(c: Longword); inline;
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   466
begin
4452
258945553b18 make Tint(longword) use RGBA
nemo
parents: 4451
diff changeset
   467
Tint(((c shr 24) and $FF), ((c shr 16) and $FF), (c shr 8) and $FF, (c and $FF))
4378
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   468
end;
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   469
91655618a510 Introduce uRender
unC0Rr
parents:
diff changeset
   470
end.