rust/hedgewars-engine/src/lib.rs
author unC0Rr
Wed, 07 Nov 2018 15:55:32 +0100
changeset 14174 b273b43b16d2
parent 14164 745c73e0e644
permissions -rw-r--r--
Make hedgewars-engine crate produce shared library, implement some basics
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
14174
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
     1
extern crate integral_geometry;
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
     2
extern crate land2d;
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
     3
extern crate landgen;
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
     4
extern crate lfprng;
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
     5
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
     6
mod world;
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
     7
14164
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
     8
#[repr(C)]
14174
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
     9
pub struct EngineInstance {
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    10
    world: world::World,
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    11
}
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    12
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    13
#[repr(C)]
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    14
#[derive(Copy, Clone)]
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    15
pub struct PreviewInfo {
14164
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    16
    width: u32,
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    17
    height: u32,
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    18
    hedgehogs_number: u8,
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    19
    land: *const u8,
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    20
}
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    21
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    22
#[no_mangle]
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    23
pub extern "C" fn protocol_version() -> u32 {
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    24
    56
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    25
}
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    26
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    27
#[no_mangle]
14174
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    28
pub extern "C" fn start_engine() -> *mut EngineInstance {
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    29
    let engine_state = Box::new(EngineInstance {
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    30
        world: world::World::new(),
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    31
    });
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    32
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    33
    Box::leak(engine_state)
14164
745c73e0e644 Start working on frontend to rust engine rewrite
unC0Rr
parents:
diff changeset
    34
}
14174
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    35
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    36
#[no_mangle]
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    37
pub extern "C" fn generate_preview(engine_state: &mut EngineInstance, preview: &mut PreviewInfo) {
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    38
    (*engine_state).world.generate_preview();
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    39
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    40
    let land_preview = (*engine_state).world.preview();
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    41
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    42
    *preview = PreviewInfo {
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    43
        width: land_preview.width() as u32,
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    44
        height: land_preview.height() as u32,
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    45
        hedgehogs_number: 0,
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    46
        land: land_preview.raw_pixels().as_ptr(),
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    47
    };
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    48
}
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    49
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    50
#[no_mangle]
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    51
pub extern "C" fn cleanup(engine_state: *mut EngineInstance) {
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    52
    unsafe {
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    53
        Box::from_raw(engine_state);
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    54
    }
b273b43b16d2 Make hedgewars-engine crate produce shared library, implement some basics
unC0Rr
parents: 14164
diff changeset
    55
}