work on world storage

game/game.jai

@@ -10,16 +10,8 @@ cam : Camera = .{
 	position = .{3.0, 5.0, 3.0}
 };
 
-world : World;
-
 #scope_export
 game_init :: () {
-	world.ground[500][500] = .GRASS;
-	world.ground[500][501] = .GRASS;
-	world.ground[500][499] = .GRASS;
-	world.ground[499][500] = .GRASS;
-	world.ground[500][500] = .GRASS;
-	world.ground[501][500] = .GRASS;
 }
 
 game_ui :: () {
@@ -32,5 +24,6 @@ game_tick :: () {
 
 game_draw :: () {
 	create_set_cam_rendering_task(cam);
-	create_world_rendering_tasks(*world);
+	curworld := get_current_world();
+	if curworld.valid then create_world_rendering_tasks(curworld.world);
 }

src/editor/level_editor.jai

@@ -46,8 +46,6 @@ pointerHit : bool;
 pointerX   : s32;
 pointerY   : s32;
 
-world : World;
-
 show_trile_preview : bool = true;
 trile_preview_x    : int  = 0;
 trile_preview_y    : int  = 0;
@@ -86,8 +84,6 @@ get_level_editor_camera :: () -> Camera {
 tick_level_editor_camera :: () {
     if console_open_ignore_input then return;
 
-	world.ground[500][500] = .GRASS;
-
 	if get_time() - lastInputTime > CAMERA_INACTIVE_TIME_TO_ORBIT { // idle rotating camera
 		cameraRotation += cast(float) delta_time;
 	}
@@ -176,12 +172,13 @@ tick_level_editor_camera :: () {
 }
 
 draw_tacoma_tab :: (theme: *GR.Overall_Theme, total_r: GR.Rect) {
+	curworld := get_current_world();
 	r := total_r;
 	r.h = ui_h(3,0);
 	#if HAS_TACOMA {
 		if GR.button(r, "Render with Tacoma", *theme.button_theme) {
 			cam := get_level_editor_camera();
-			gen_reference(tacomaResolution, tacomaResolution, .{tacomaExposure, tacomaContrast, tacomaSaturation}, .{cam.target, cam.position, tacomaSamples, true}, world);
+			gen_reference(tacomaResolution, tacomaResolution, .{tacomaExposure, tacomaContrast, tacomaSaturation}, .{cam.target, cam.position, tacomaSamples, true}, curworld.world.*);
 		}
 		r.y += r.h;
 		if current_screenshot.valid {
@@ -266,6 +263,7 @@ draw_tools_tab :: (theme: *GR.Overall_Theme, total_r: GR.Rect) {
 }
 
 handle_tool_click :: (x: int, y: int, z: int) {
+	curworld := get_current_world();
 	if editMode == {
 		case .TRILES;
 			if editor_current_trile != null then add_trile(editor_current_trile.name, cast(float)x, cast(float)y, cast(float)z);
@@ -273,13 +271,14 @@ handle_tool_click :: (x: int, y: int, z: int) {
 			ray := get_mouse_ray(*get_level_editor_camera());
 			hit, point := ray_plane_collision_point(ray, 0, 100);
 		if hit {
-				world.ground[floor(point.y).(int) + 500][floor(point.x).(int) + 500] = groundType;
+				curworld.world.ground[floor(point.y).(int) + 500][floor(point.x).(int) + 500] = groundType;
 			}
 	}
 
 } 
 
 add_trile :: (name: string, x: float, y: float, z: float) {
+	curworld := get_current_world();
 
 	loose_float_comp :: (a: float, b: float) -> bool {
 		return abs(a-b) < 0.001;
@@ -288,7 +287,7 @@ add_trile :: (name: string, x: float, y: float, z: float) {
 	// Check if the position is already occupied. @ToDo: we would probably like to
 	// have some acceleration structure like a hashmap to speed up this check when
 	// we are checking for collisions.
-	for world.positions {
+	for curworld.world.positions {
 		for v, idx: it.positions {
 			if loose_float_comp(v.x, x)
 			&& loose_float_comp(v.y, y)
@@ -299,7 +298,7 @@ add_trile :: (name: string, x: float, y: float, z: float) {
 		}
 	}
 	
-	for world.positions {
+	for curworld.world.positions {
 		if it.trileName == name {
 			array_add(*it.positions, Vector4.{x,y,z,1});
 			return;
@@ -310,7 +309,7 @@ add_trile :: (name: string, x: float, y: float, z: float) {
 	};
 	
 	array_add(*poses.positions, Vector4.{x,y,z,1});
-	array_add(*world.positions, poses);
+	array_add(*curworld.world.positions, poses);
 } @Command
 
 
@@ -334,8 +333,10 @@ tick_level_editor :: () {
 }
 
 draw_level_editor :: () {
+	curworld := get_current_world();
+	if !curworld.valid then return;
 	create_set_cam_rendering_task(get_level_editor_camera());
-	create_world_rendering_tasks(*world);
+	create_world_rendering_tasks(curworld.world);
 }
 
 draw_level_editor_ui :: (theme: *GR.Overall_Theme) {
@@ -359,13 +360,14 @@ draw_level_editor_ui :: (theme: *GR.Overall_Theme) {
     }
     r.y += tab_r.h;
 
+	curworld := get_current_world();
     if current_tab == {
 		case .TOOLS;
 			draw_tools_tab(theme, r);
         case .TACOMA;
 			draw_tacoma_tab(theme, r);
 		case .INFO;
-			autoedit(r, *world.conf, theme);
+			if curworld.valid then autoedit(r, *curworld.world.conf, theme);
     }
 	draw_trile_picker(theme);
 }

src/rendering/helpers.jai

@@ -54,3 +54,18 @@ get_render_size :: () -> (s32, s32) {
 	// wl, hl := get_low_res(w,h, 360);
 	return w, h;
 }
+
+flip_y_if_plat :: inline (v: Vector2) -> Vector2 {
+    return .{v.x, flip_if_plat(v.y)};
+}
+
+// Some platforms draw UVs in weird reverse way
+// so this function here does the flip on those platforms
+// so we don't need to do the platform check in many places.
+flip_if_plat :: inline (n: float) -> float {
+    #if OS == .MACOS {
+        return 1 - n;
+    } else {
+        return n; 
+    }
+}

src/rendering/pipelines.jai

@@ -544,10 +544,10 @@ create_postprocess_pipeline :: () {
     gPipelines.postprocess.pipeline = sg_make_pipeline(*pipeline);
 
     quad_vertices : [16]float = .[
-        -1.0,  1.0, 0.0, 1.0, // top-let
-        -1.0, -1.0, 0.0, 0.0, // bottom-let
-         1.0, -1.0, 1.0, 0.0, // bottom-right
-         1.0,  1.0, 1.0, 1.0, // top-right
+        -1.0,  1.0, 0.0, flip_if_plat(1.0), // top-let
+        -1.0, -1.0, 0.0, flip_if_plat(0.0), // bottom-let
+         1.0, -1.0, 1.0, flip_if_plat(0.0), // bottom-right
+         1.0,  1.0, 1.0, flip_if_plat(1.0), // top-right
     ];
     quad_indices  : [6]u16 = .[
         0, 1, 2, 0, 2, 3

src/ui/ui.jai

@@ -253,9 +253,9 @@ immediate_triangle :: (p0: Vector3, p1: Vector3, p2: Vector3, c0 := Vector4.{1,1
         tri.uv[1] = nullUV;
         tri.uv[2] = nullUV;
     } else {
-        tri.uv[0] = uv0;
-        tri.uv[1] = uv1;
-        tri.uv[2] = uv2;
+        tri.uv[0] = flip_y_if_plat(uv0);
+        tri.uv[1] = flip_y_if_plat(uv1);
+        tri.uv[2] = flip_y_if_plat(uv2);
     }
 
     arb_tri_add(tri);

src/world.jai

@@ -2,18 +2,38 @@
 
 Pool :: #import "Pool";
 
-current_world : struct {
-    world : World;
+Current_World :: struct {
+    world : *World;
     pool  : Pool.Pool; // A memory pool to allocate stuff for the lifetime of this level being active.
     valid : bool = false;
 };
 
-world_table :: Table(string, World);
-
-
+current_world : Current_World;
+world_table   : Table(string, World);
 
 #scope_export 
 
+nworld :: (name: string) {
+    w : World;
+    table_set(*world_table, name, w);
+} @Command;
+
+lworld :: (name: string) {
+    if current_world.valid {
+        Pool.reset(*current_world.pool);
+    } else {
+        Pool.set_allocators(*current_world.pool);
+    }
+
+    worldptr := table_find_pointer(*world_table, name);
+    current_world.world = worldptr;
+    current_world.valid = true;
+} @Command;
+
+get_current_world :: () -> *Current_World {
+    return *current_world;
+}
+
 sworlds :: () {
     Jaison :: #import "Jaison";
     worlds : [..]World;
@@ -33,8 +53,8 @@ lworlds :: () {
     s := load_string_from_pack("./game/resources/worlds.json");
     success, worlds := Jaison.json_parse_string(s, [..]World,, temp);
     for worlds {
-        set_trile(sprint("%",it.name), trile_from_serialize_form(it));
-        print("Loaded %\n", it.name);
+        // set_trile(sprint("%",it.name), trile_from_serialize_form(it));
+        // print("Loaded %\n", it.name);
     }
 } @Command
 
@@ -81,12 +101,13 @@ TrilePositions :: struct {
 }
 
 Ground_Tile :: enum {
-    WATER = 0;
-    GRASS = 1;
-    SAND  = 2;
+    WATER;
+    GRASS;
+    SAND;
 }
 
 World :: struct {
+    name      : string;
     conf      : World_Config;
     positions : [..]TrilePositions;
     ground    : [1000][1000]Ground_Tile;