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Krzosa Karol
266
examples/pathfinding_visualizer/main.lc
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266
examples/pathfinding_visualizer/main.lc
Normal file
@@ -0,0 +1,266 @@
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import "raylib";
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import libc "libc";
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import "std_types";
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WinX := 1280;
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WinY := 720;
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Mode := 0;
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RectX :: 16;
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RectY :: 16;
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Dt: float;
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MouseX:= 0;
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MouseY:= 0;
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MouseP: Vector2 = {0, 0};
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MouseSelecting := false;
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MouseSelectionPivot: Vector2;
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MouseSelectionBox: Rectangle;
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MouseSelectedActors: ArrayOfActors;
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AnimationSetTiles: ArrayOfAnimationSetTiles;
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AnimationSetTile :: struct {
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set: bool;
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p: V2I;
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t: float;
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}
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ArrayOfAnimationSetTiles :: struct {
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data: *AnimationSetTile;
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len: int;
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cap: int;
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}
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main :: proc(): int {
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InitMap();
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InitWindow(WinX, WinY, "pathfinding visualizer");
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SetTargetFPS(60);
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orange := ORANGE;
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orange.a = 255/2;
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brown := BROWN;
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brown.a = 255/2;
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dark_green := DARKGREEN;
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dark_green.a = 255/2;
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blue := BLUE;
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blue.a = 255/2;
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green := GREEN;
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green.a = 255/2;
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red := RED;
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red.a = 255/2;
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actor_color := dark_green;
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past_actor_color := blue;
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target_color := red;
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selection_box_color := green;
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selected_color := selection_box_color;
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for !WindowShouldClose() {
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WinX = GetScreenHeight();
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WinY = GetScreenWidth();
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MouseX = GetMouseX();
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MouseY = GetMouseY();
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MouseP = GetMousePosition();
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Dt = GetFrameTime();
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@unused map := &CurrentMap;
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MouseSelecting = false;
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if IsMouseButtonDown(MOUSE_BUTTON_LEFT) {
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MouseSelecting = true;
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if IsMouseButtonPressed(MOUSE_BUTTON_LEFT) {
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MouseSelectionPivot = MouseP;
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}
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MouseSelectionBox = {
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MouseSelectionPivot.x,
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MouseSelectionPivot.y,
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MouseP.x - MouseSelectionPivot.x,
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MouseP.y - MouseSelectionPivot.y,
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};
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if MouseSelectionBox.width < 0 {
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MouseSelectionBox.x += MouseSelectionBox.width;
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MouseSelectionBox.width = -MouseSelectionBox.width;
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}
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if MouseSelectionBox.height < 0 {
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MouseSelectionBox.y += MouseSelectionBox.height;
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MouseSelectionBox.height = -MouseSelectionBox.height;
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}
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}
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if IsKeyPressed(KEY_F1) {
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Mode = 0;
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}
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if IsKeyPressed(KEY_F2) {
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Mode = 1;
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}
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if IsKeyPressed(KEY_F3) {
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for i := 0; i < map.actors.len; i += 1 {
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it := &map.actors.data[i];
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MoveTowardsTarget(it);
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}
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}
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PathFindUpdate(map);
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if IsKeyPressed(KEY_F4) {
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RandomizeActors();
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}
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BeginDrawing();
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ClearBackground(RAYWHITE);
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map_rectangle: Rectangle = {0, 0, :float(map.x) * RectX, :float(map.y) * RectY};
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DrawRectangleRec(map_rectangle, LIGHTGRAY);
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for x := 0; x < map.x; x += 1 {
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for y := 0; y < map.y; y += 1 {
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it := map.data[x + y*map.x];
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r : Rectangle = {:float(x) * RectX, :float(y) * RectY, RectX, RectY};
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r2: Rectangle = {r.x + 1, r.y + 1, r.width - 2, r.height - 2};
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colliding := CheckCollisionPointRec(MouseP, r);
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color := RAYWHITE;
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if it == 1 { color = GRAY; }
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if Mode == 0 {
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if colliding && IsMouseButtonDown(MOUSE_BUTTON_LEFT) {
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AddAnimationSetTile(&AnimationSetTiles, {true, {x,y}});
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}
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if colliding && IsMouseButtonDown(MOUSE_BUTTON_RIGHT) {
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AddAnimationSetTile(&AnimationSetTiles, {false, {x,y}});
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}
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if colliding {
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color.a = 100;
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}
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}
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DrawRectangleRec(r2, color);
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}
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}
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for tile_i := 0; tile_i < AnimationSetTiles.len; tile_i += 1 {
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tile_it := &AnimationSetTiles.data[tile_i];
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remove := false;
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t := tile_it.t;
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if tile_it.set == false {
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t = 1 - t;
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}
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x := :float(tile_it.p.x) * RectX + 1;
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y := :float(tile_it.p.y) * RectY + 1;
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w: float = RectX - 2;
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h: float = RectY - 2;
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wt := w * t;
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ht := h * t;
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wd := w - wt;
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hd := h - ht;
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r: Rectangle = {x + wd/2, y + hd/2, wt, ht};
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DrawRectangleRec(r, GRAY);
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if tile_it.t > 1 {
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map_tile := &map.data[tile_it.p.x + tile_it.p.y*map.x];
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if tile_it.set {*map_tile |= TILE_BLOCKER;}
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else {*map_tile &= ~TILE_BLOCKER;}
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remove = true;
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}
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tile_it.t += Dt*8;
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if remove {
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UnorderedRemoveAnimationSetTile(&AnimationSetTiles, tile_it);
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tile_i -= 1;
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}
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}
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for actor_i := 0; actor_i < map.actors.len; actor_i += 1 {
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actor_it := &map.actors.data[actor_i];
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target_r := Rect(actor_it.target_p);
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main_p := Circle(actor_it.p);
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DrawCircleV(main_p, RectX/2, actor_color);
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DrawRectangleRec(target_r, target_color);
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smaller_the_further: float;
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for tile_i := actor_it.tiles_visited.len - 1; tile_i >= 0; tile_i -= 1 {
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tile_it := &actor_it.tiles_visited.data[tile_i];
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p := Circle({tile_it.x, tile_it.y});
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DrawCircleV(p, RectX/2 - smaller_the_further, past_actor_color);
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smaller_the_further += 0.5;
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}
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for path_i := 0; path_i < actor_it.open_paths.len; path_i += 1 {
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path_it := &actor_it.open_paths.data[path_i];
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path_r := Rect(path_it.p);
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DrawRectangleRec(path_r, orange);
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s := TextFormat("%d", :int(libc.sqrtf(:float(path_it.value_to_sort_by))));
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DrawText(s, :int(path_r.x), :int(path_r.y), 1, RAYWHITE);
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}
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for path_i := 0; path_i < actor_it.close_paths.len; path_i += 1 {
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path_it := &actor_it.close_paths.data[path_i];
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path_r := Rect(path_it.p);
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DrawRectangleRec(path_r, brown);
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}
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for path_i := 0; path_i < actor_it.history.len; path_i += 1 {
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path_it := &actor_it.history.data[path_i];
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p0 := Circle(path_it.came_from);
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p1 := Circle(path_it.p);
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DrawLineEx(p0, p1, 5, LIGHTGRAY);
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DrawCircleV(p0, 4, LIGHTGRAY);
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DrawCircleV(p1, 4, LIGHTGRAY);
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}
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}
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if Mode == 1 {
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for actor_i := 0; actor_i < MouseSelectedActors.len; actor_i += 1 {
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actor_it := &MouseSelectedActors.data[actor_i];
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actor_box := Rect(actor_it.p);
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DrawRectangleRec(actor_box, selected_color);
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if IsMouseButtonPressed(MOUSE_BUTTON_RIGHT) {
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p := ScreenToMap(MouseP);
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SetTargetP(actor_it, p);
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}
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}
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if MouseSelecting {
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MouseSelectedActors.len = 0;
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for actor_i := 0; actor_i < MouseSelectedActors.len; actor_i += 1 {
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actor_it := &MouseSelectedActors.data[actor_i];
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actor_box := Rect(actor_it.p);
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if CheckCollisionRecs(actor_box, MouseSelectionBox) {
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AddActorToArray(&MouseSelectedActors, *actor_it);
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}
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}
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DrawRectangleRec(MouseSelectionBox, selection_box_color);
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}
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}
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text_size := 24;
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text_p := 4;
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text_y := text_size * 2;
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DrawText("F4 :: Randomize actors", text_p, text_y, text_size, GRAY);
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text_y -= text_size;
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DrawText("F3 :: Simulate actors", text_p, text_y, text_size, GRAY);
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text_y -= text_size;
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text: *char = "Mode(F1) :: Block placing";
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if Mode == 1 { text = "Mode(F2) :: Actor placing"; }
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DrawText(text, text_p, text_y, text_size, GRAY);
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text_y -= text_size;
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EndDrawing();
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}
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return 0;
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}
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