diff options
Diffstat (limited to 'examples/games/zen_craft/main.zc')
| -rw-r--r-- | examples/games/zen_craft/main.zc | 170 |
1 files changed, 85 insertions, 85 deletions
diff --git a/examples/games/zen_craft/main.zc b/examples/games/zen_craft/main.zc index 7f86c19..c130e72 100644 --- a/examples/games/zen_craft/main.zc +++ b/examples/games/zen_craft/main.zc @@ -30,12 +30,12 @@ extern fn GenImagePerlinNoise(width: int, height: int, offsetX: int, offsetY: in impl Chunk { static fn new(x: int, z: int) -> Chunk { - var c: Chunk; + let c: Chunk; c.x = x; c.z = z; // Generate Heightmap - var heights: int[16][16]; + let heights: int[16][16]; raw { Image noise = GenImagePerlinNoise(16, 16, x * 16, z * 16, 0.5f); @@ -62,7 +62,7 @@ impl Chunk { for cx in 0..16 { for cz in 0..16 { - var h = heights[cx][cz]; + let h = heights[cx][cz]; for cy in 0..16 { if cy < h - 1 { c.blocks[cx][cy][cz] = BLOCK_STONE; // Stone base @@ -83,11 +83,11 @@ impl Chunk { for x in 0..16 { for y in 0..16 { for z in 0..16 { - var btype = self.blocks[x][y][z]; + let btype = self.blocks[x][y][z]; if btype != BLOCK_AIR { - var _world_x = (float)(self.x * 16 + x); - var _world_y = (float)y; - var _world_z = (float)(self.z * 16 + z); + let _world_x = (float)(self.x * 16 + x); + let _world_y = (float)y; + let _world_z = (float)(self.z * 16 + z); match btype { BLOCK_DIRT => rl::DrawModel(model_dirt, rl::Vector3{x: _world_x + 0.5, y: _world_y + 0.5, z: _world_z + 0.5}, 1.0, rl::WHITE), BLOCK_STONE => rl::DrawModel(model_stone, rl::Vector3{x: _world_x + 0.5, y: _world_y + 0.5, z: _world_z + 0.5}, 1.0, rl::WHITE), @@ -109,12 +109,12 @@ fn get_block(chunks: Chunk*, num_chunks: int, x: int, y: int, z: int) -> int { if z < 0 || z >= 32 { return BLOCK_AIR; } // Determine chunk coordinates - var cx = x / 16; - var cz = z / 16; + let cx = x / 16; + let cz = z / 16; // Determine local block coordinates - var lx = x % 16; - var lz = z % 16; + let lx = x % 16; + let lz = z % 16; // Find the right chunk for i in 0..num_chunks { @@ -129,10 +129,10 @@ fn get_block(chunks: Chunk*, num_chunks: int, x: int, y: int, z: int) -> int { fn set_block(chunks: Chunk*, num_chunks: int, x: int, y: int, z: int, type: int) { if y < 0 || y >= 16 { return; } - var cx = x / 16; - var cz = z / 16; - var lx = x % 16; - var lz = z % 16; + let cx = x / 16; + let cz = z / 16; + let lx = x % 16; + let lz = z % 16; for i in 0..num_chunks { if chunks[i].x == cx && chunks[i].z == cz { @@ -153,19 +153,19 @@ struct RaycastHit { } fn raycast(chunks: Chunk*, num_chunks: int, ox: float, oy: float, oz: float, dx: float, dy: float, dz: float, max_dist: float) -> RaycastHit { - var r: RaycastHit; + let r: RaycastHit; r.hit = 0; - var x = ox; - var y = oy; - var z = oz; + let x = ox; + let y = oy; + let z = oz; - var step = 0.05; - var dist = 0.0; + let step = 0.05; + let dist = 0.0; - var last_x = (int)floor(x); - var last_y = (int)floor(y); - var last_z = (int)floor(z); + let last_x = (int)floor(x); + let last_y = (int)floor(y); + let last_z = (int)floor(z); while dist < max_dist { x += dx * step; @@ -173,9 +173,9 @@ fn raycast(chunks: Chunk*, num_chunks: int, ox: float, oy: float, oz: float, dx: z += dz * step; dist += step; - var ix = (int)floor(x); - var iy = (int)floor(y); - var iz = (int)floor(z); + let ix = (int)floor(x); + let iy = (int)floor(y); + let iz = (int)floor(z); if get_block(chunks, num_chunks, ix, iy, iz) != BLOCK_AIR { r.hit = 1; @@ -210,14 +210,14 @@ fn raycast(chunks: Chunk*, num_chunks: int, ox: float, oy: float, oz: float, dx: extern fn DrawCubeTexture(texture: rl::Texture2D, position: rl::Vector3, width: float, height: float, length: float, color: rl::Color); // Textures & Models -var model_dirt: rl::Model; -var model_grass: rl::Model; -var model_stone: rl::Model; -var tex_sun: rl::Texture2D; -var tex_moon: rl::Texture2D; +let model_dirt: rl::Model; +let model_grass: rl::Model; +let model_stone: rl::Model; +let tex_sun: rl::Texture2D; +let tex_moon: rl::Texture2D; fn load_texture_from_memory(_data: char*, _len: int) -> rl::Texture2D { - var tex: rl::Texture2D; + let tex: rl::Texture2D; raw { Image img = LoadImageFromMemory(".png", (unsigned char*)_data, _len); tex = LoadTextureFromImage(img); @@ -227,20 +227,20 @@ fn load_texture_from_memory(_data: char*, _len: int) -> rl::Texture2D { } fn init_textures() { - var dirt_data = embed "examples/games/zen_craft/assets/dirt.png"; - var grass_data = embed "examples/games/zen_craft/assets/grass_side.png"; - var stone_data = embed "examples/games/zen_craft/assets/stone.png"; - var sun_data = embed "examples/games/zen_craft/assets/sun.png"; - var moon_data = embed "examples/games/zen_craft/assets/moon.png"; - - var _tex_dirt = load_texture_from_memory(dirt_data.data, dirt_data.len); - var _tex_grass = load_texture_from_memory(grass_data.data, grass_data.len); - var _tex_stone = load_texture_from_memory(stone_data.data, stone_data.len); + let dirt_data = embed "examples/games/zen_craft/assets/dirt.png"; + let grass_data = embed "examples/games/zen_craft/assets/grass_side.png"; + let stone_data = embed "examples/games/zen_craft/assets/stone.png"; + let sun_data = embed "examples/games/zen_craft/assets/sun.png"; + let moon_data = embed "examples/games/zen_craft/assets/moon.png"; + + let _tex_dirt = load_texture_from_memory(dirt_data.data, dirt_data.len); + let _tex_grass = load_texture_from_memory(grass_data.data, grass_data.len); + let _tex_stone = load_texture_from_memory(stone_data.data, stone_data.len); tex_sun = load_texture_from_memory(sun_data.data, sun_data.len); tex_moon = load_texture_from_memory(moon_data.data, moon_data.len); // Create Models - var mesh = rl::GenMeshCube(1.0, 1.0, 1.0); + let mesh = rl::GenMeshCube(1.0, 1.0, 1.0); model_dirt = rl::LoadModelFromMesh(mesh); model_grass = rl::LoadModelFromMesh(mesh); model_stone = rl::LoadModelFromMesh(mesh); @@ -256,7 +256,7 @@ fn draw_sky(camera: rl::Camera3D) { // Disable Depth Mask to draw sky behind everything rl::BeginMode3D(camera); // Simple Fixed Sun Position or billboard - var sun_pos = rl::Vector3{x: camera.position.x + 20.0, y: camera.position.y + 40.0, z: camera.position.z + 20.0}; + let sun_pos = rl::Vector3{x: camera.position.x + 20.0, y: camera.position.y + 40.0, z: camera.position.z + 20.0}; raw { DrawBillboard(camera, tex_sun, sun_pos, 10.0f, WHITE); @@ -277,12 +277,12 @@ struct Player { } fn check_collision(chunks: Chunk*, num_chunks: int, x: float, y: float, z: float, w: float, h: float) -> int { - var min_x = (int)floor(x - w/2.0); - var max_x = (int)floor(x + w/2.0); - var min_y = (int)floor(y); - var max_y = (int)floor(y + h); - var min_z = (int)floor(z - w/2.0); - var max_z = (int)floor(z + w/2.0); + let min_x = (int)floor(x - w/2.0); + let max_x = (int)floor(x + w/2.0); + let min_y = (int)floor(y); + let max_y = (int)floor(y + h); + let min_z = (int)floor(z - w/2.0); + let max_z = (int)floor(z + w/2.0); for ix in min_x..max_x+1 { for iy in min_y..max_y+1 { @@ -298,7 +298,7 @@ fn check_collision(chunks: Chunk*, num_chunks: int, x: float, y: float, z: float impl Player { static fn new(x: float, y: float, z: float) -> Player { - var p: Player; + let p: Player; p.x = x; p.y = y; p.z = z; @@ -320,7 +320,7 @@ impl Player { fn update(self, chunks: Chunk*, num_chunks: int, dt: float) { // Mouse look - var mouse_delta = rl::GetMouseDelta(); + let mouse_delta = rl::GetMouseDelta(); self.yaw += mouse_delta.x * 0.003; self.pitch += mouse_delta.y * 0.003; @@ -328,22 +328,22 @@ impl Player { if self.pitch < -1.5 { self.pitch = -1.5; } // Movement input - var dx = 0.0; - var dz = 0.0; + let dx = 0.0; + let dz = 0.0; if rl::IsKeyDown(rl::KEY_W) { dx += 1.0; } if rl::IsKeyDown(rl::KEY_S) { dx -= 1.0; } if rl::IsKeyDown(rl::KEY_A) { dz -= 1.0; } if rl::IsKeyDown(rl::KEY_D) { dz += 1.0; } - var fx = cos(self.yaw); - var fz = sin(self.yaw); - var rx = -sin(self.yaw); - var rz = cos(self.yaw); + let fx = cos(self.yaw); + let fz = sin(self.yaw); + let rx = -sin(self.yaw); + let rz = cos(self.yaw); - var move_x = fx * dx + rx * dz; - var move_z = fz * dx + rz * dz; + let move_x = fx * dx + rx * dz; + let move_z = fz * dx + rz * dz; - var mlen = sqrt(move_x*move_x + move_z*move_z); + let mlen = sqrt(move_x*move_x + move_z*move_z); if mlen > 0.001 { move_x /= mlen; move_z /= mlen; @@ -365,8 +365,8 @@ impl Player { } // Physics integration (Separate Axes) - var box_w = 0.6; - var box_h = 1.8; + let box_w = 0.6; + let box_h = 1.8; // X axis self.x += self.vx * dt; @@ -396,9 +396,9 @@ impl Player { } // Sync Camera - var view_x = cos(self.yaw) * cos(self.pitch); - var view_z = sin(self.yaw) * cos(self.pitch); - var view_y = -sin(self.pitch); + let view_x = cos(self.yaw) * cos(self.pitch); + let view_z = sin(self.yaw) * cos(self.pitch); + let view_y = -sin(self.pitch); self.camera.position.x = self.x; self.camera.position.y = self.y + 1.6; @@ -421,11 +421,11 @@ fn main() { init_textures(); // Initialize Player - var p = Player::new(10.0, 10.0, 10.0); - var selected_block = BLOCK_STONE; + let p = Player::new(10.0, 10.0, 10.0); + let selected_block = BLOCK_STONE; // Generate Chunks - var chunks: Chunk[4]; + let chunks: Chunk[4]; chunks[0] = Chunk::new(0, 0); chunks[1] = Chunk::new(1, 0); chunks[2] = Chunk::new(0, 1); @@ -434,7 +434,7 @@ fn main() { rl::DisableCursor(); // Capture mouse while !rl::WindowShouldClose() { - var dt: float = rl::GetFrameTime(); + let dt: float = rl::GetFrameTime(); (&p).update(&chunks[0], 4, dt); // Block selection input @@ -452,25 +452,25 @@ fn main() { // Render chunks for i in 0..4 { - var c: Chunk* = &chunks[i]; + let c: Chunk* = &chunks[i]; c.draw(); } // Block interaction - var screen_center = rl::Vector2{ + let screen_center = rl::Vector2{ x: (float)rl::GetScreenWidth() / 2.0, y: (float)rl::GetScreenHeight() / 2.0 }; - var pick_ray = rl::GetScreenToWorldRay(screen_center, p.camera); + let pick_ray = rl::GetScreenToWorldRay(screen_center, p.camera); - var hit = raycast(&chunks[0], 4, pick_ray.position.x, pick_ray.position.y, pick_ray.position.z, + let hit = raycast(&chunks[0], 4, pick_ray.position.x, pick_ray.position.y, pick_ray.position.z, pick_ray.direction.x, pick_ray.direction.y, pick_ray.direction.z, 5.0); if hit.hit != 0 { // Draw selection - var hx = (float)hit.x; - var hy = (float)hit.y; - var hz = (float)hit.z; + let hx = (float)hit.x; + let hy = (float)hit.y; + let hz = (float)hit.z; // Draw slight offset wireframe rl::DrawCubeWires(rl::Vector3{x: hx + 0.5, y: hy + 0.5, z: hz + 0.5}, 1.01, 1.01, 1.01, rl::BLACK); @@ -480,14 +480,14 @@ fn main() { set_block(&chunks[0], 4, hit.x, hit.y, hit.z, BLOCK_AIR); } else if rl::IsMouseButtonPressed(rl::MOUSE_BUTTON_RIGHT) { - var nx = hit.x + hit.face_x; - var ny = hit.y + hit.face_y; - var nz = hit.z + hit.face_z; + let nx = hit.x + hit.face_x; + let ny = hit.y + hit.face_y; + let nz = hit.z + hit.face_z; // Don't place inside player (Simple check) - var dist_x = p.x - ((float)nx + 0.5); - var dist_y = p.y + 1.6 - ((float)ny + 0.5); // Eye pos vs block center - var dist_z = p.z - ((float)nz + 0.5); + let dist_x = p.x - ((float)nx + 0.5); + let dist_y = p.y + 1.6 - ((float)ny + 0.5); // Eye pos vs block center + let dist_z = p.z - ((float)nz + 0.5); if (dist_x*dist_x + dist_y*dist_y + dist_z*dist_z) > 2.0 { set_block(&chunks[0], 4, nx, ny, nz, selected_block); } @@ -497,8 +497,8 @@ fn main() { rl::EndMode3D(); // Draw HUD - var sw = rl::GetScreenWidth(); - var sh = rl::GetScreenHeight(); + let sw = rl::GetScreenWidth(); + let sh = rl::GetScreenHeight(); rl::DrawRectangle(sw/2 - 5, sh/2 - 1, 10, 2, rl::RED); // Horizontal rl::DrawRectangle(sw/2 - 1, sh/2 - 5, 2, 10, rl::RED); // Vertical |