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Map parsing

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alexey.bagno
2026-08-21 19:48:16 +05:00
parent 01abef0b05
commit 8a7ca839fa
9 changed files with 426 additions and 53 deletions
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main.odin
+43 -46
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@@ -1,5 +1,6 @@
package main
import "base:runtime"
import hm "core:container/handle_map"
import "core:fmt"
import rl "vendor:raylib"
@@ -34,6 +35,8 @@ create_scene :: proc() -> Scene {
offset = rl.Vector2{SCREEN_W / 2, SCREEN_H / 2},
},
}
// _ = hm.add(
// &scene.enemies,
// Enemy {
@@ -72,7 +75,7 @@ draw_scene :: proc(scene: ^Scene) {
0,
0,
cast(f32)scene.map_tex.texture.width,
cast(f32)scene.map_tex.texture.height,
-cast(f32)scene.map_tex.texture.height, // FIX: flip Y axis
},
rl.Rectangle {
0,
@@ -107,51 +110,33 @@ draw_scene :: proc(scene: ^Scene) {
rl.EndMode2D()
}
render_map :: proc(atlas: ^Atlas) -> rl.RenderTexture2D {
map_data := [16][16]i32 {
{0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2},
{8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10},
{8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10},
{8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10},
{8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10},
{8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10},
{8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10},
{8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10},
{8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10},
{8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10},
{8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10},
{8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10},
{8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10},
{8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10},
{8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10},
{16, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 18},
}
width := i32(atlas.tile_size.x) * 16
height := i32(atlas.tile_size.y) * 16
tex := rl.LoadRenderTexture(width, height)
render_map :: proc(atlas: ^Atlas, map_data: Map) -> rl.RenderTexture2D {
tex := rl.LoadRenderTexture(map_data.width * 16, map_data.height * 16)
rl.BeginTextureMode(tex)
for row, i in map_data {
for col, j in row {
offset := get_offset(atlas, col)
fmt.printf("offset: %v, frame: %v\n", offset, col)
rl.DrawTexturePro(
atlas^.tex,
rl.Rectangle {
offset.x,
offset.y,
atlas.tile_size.x,
atlas.tile_size.y,
},
rl.Rectangle {
f32(j) * atlas.tile_size.x,
f32(i) * atlas.tile_size.y,
atlas.tile_size.x,
atlas.tile_size.y,
},
rl.Vector2{0, 0},
0,
rl.WHITE,
)
for layer in map_data.layers {
for row_data, row in layer.data {
for tile_id, col in row_data {
offset, empty := get_offset(atlas, tile_id)
if empty do continue
rl.DrawTexturePro(
atlas^.tex,
rl.Rectangle {
offset.x,
offset.y,
atlas.tile_size.x,
atlas.tile_size.y,
},
rl.Rectangle {
f32(col) * atlas.tile_size.x,
f32(row) * atlas.tile_size.y,
atlas.tile_size.x,
atlas.tile_size.y,
},
rl.Vector2{0, 0},
0,
rl.WHITE,
)
}
}
}
rl.EndTextureMode()
@@ -183,9 +168,21 @@ main :: proc() {
defer rl.CloseWindow()
rl.SetTargetFPS(60)
arena: runtime.Arena
defer runtime.arena_destroy(&arena)
arena_alloc := runtime.arena_allocator(&arena)
map_data, err := load_map(
"./Tiled/безымянный.json",
arena_alloc,
)
if err.type != .None do fmt.println(err.msg)
//WARN: Add a destructor to free (handlemap dangling)
scene := create_scene()
scene.map_tex = render_map(&scene.atlas)
scene.map_tex = render_map(&scene.atlas, map_data)
for !rl.WindowShouldClose() {
dt := rl.GetFrameTime()