parin/packages/mapy/source/app.d
2025-04-11 19:34:24 +03:00

365 lines
13 KiB
D

/// A tile map editor for Parin.
// TODO: Fix the variable names and try to clean things.
// TODO: Add modes: brush, random, eraser
import parin;
AppState appState;
enum defaultPanelHeight = 48;
enum defaultCameraMoveSpeed = 300;
enum defaultCameraZoomSpeed = 60;
enum defaultCameraSlowdown = 0.07f;
enum panelColor1 = toRgb(0xd7d6d6);
enum panelColor2 = toRgb(0xb0afaf);
enum panelColor3 = toRgb(0x4a4b4c);
enum panelColor4 = toRgb(0x262626);
enum canvasColor = toRgb(0x484d51);
enum mapAreaColor = toRgb(0x2d2f34);
enum mapAreaOutlineColor = toRgb(0x161a1f);
enum mouseAreaColor = toRgb(0x5ca4cf);
enum AppMode {
edit,
select,
}
enum EditMode {
brush,
random,
eraser,
}
struct AppCamera {
Camera data;
Vec2 targetPosition;
float targetScale = 1.0f;
void setPosition(Vec2 value) {
data.position = value;
targetPosition = value;
}
void setScale(float value) {
data.scale = value;
targetScale = value;
}
void update(Vec2 moveDelta, float scaleDelta, float dt) {
targetPosition += moveDelta.normalize() * Vec2(dt * defaultCameraMoveSpeed * (Keyboard.shift.isDown + 1) * (1.0f / min(targetScale, 1.0f)));
targetScale = max(targetScale + (scaleDelta * dt * defaultCameraZoomSpeed), 0.25f);
data.followPositionWithSlowdown(targetPosition, defaultCameraSlowdown);
data.followScaleWithSlowdown(targetScale, defaultCameraSlowdown);
}
void attach() {
data.attach();
}
void detach() {
data.detach();
}
}
struct AppState {
TextureId atlas;
Viewport atlasViewport;
AppCamera atlasCamera;
FontId font;
TileMap map;
AppCamera camera;
IStr mapFile;
IStr atlasFile;
AppMode mode;
EditMode editMode;
GridPair editMainPair;
GridPair editTempPair;
GridPair mainPair;
GridPair tempPair;
}
struct GridPair {
IVec2 a;
IVec2 b;
this(IVec2 a, IVec2 b) {
this.a = a;
this.b = b;
}
this(IVec2 a) {
this(a, a);
}
int diffX() {
return b.x - a.x;
}
int diffY() {
return b.y - a.y;
}
IVec2 diff() {
return IVec2(diffX, diffY);
}
void fix() {
if (a.x > b.x) {
auto temp = a.x;
a.x = b.x;
b.x = temp;
}
if (a.y > b.y) {
auto temp = a.y;
a.y = b.y;
b.y = temp;
}
}
}
struct MouseInfo {
Vec2 worldPoint;
Vec2 worldGridPoint;
IVec2 gridPoint;
Sz gridIndex;
bool isInGrid;
this(Vec2 mouse, AppCamera camera, Sz rowCount, Sz colCount, Vec2 tileSize) {
update(mouse, camera, rowCount, colCount, tileSize);
}
void update(Vec2 mouse, AppCamera camera, Sz rowCount, Sz colCount, Vec2 tileSize) {
worldPoint = mouse.toWorldPoint(camera.data);
gridPoint = floor(worldPoint / tileSize).toIVec();
gridIndex = colCount * gridPoint.y + gridPoint.x;
worldGridPoint = gridPoint.toVec() * tileSize;
isInGrid = gridPoint.y < colCount && gridPoint.x < rowCount;
}
}
void drawText(IStr text, Vec2 position, DrawOptions options = DrawOptions()) {
auto font = appState.font.isValid ? appState.font.get() : engineFont;
if (font == engineFont) options.scale = Vec2(2);
drawTextX(font, text, position, options);
}
void ready() {
setBackgroundColor(canvasColor);
setIsUsingAssetsPath(false);
appState.camera.data = Camera(0, 0, true);
appState.map = TileMap(256, 256, 0, 0);
appState.atlasViewport = Viewport(panelColor1);
// Parse args.
foreach (arg; envArgs[1 .. $]) {
if (0) {
} else if (arg.endsWith(".ttf")) {
appState.font = loadFont(arg, 24, 0, 24);
appState.font.setFilter(Filter.linear);
} else if (arg.endsWith(".png")) {
appState.atlas = loadTexture(arg);
if (appState.atlas.isValid) appState.atlasFile = arg;
} else if (arg.endsWith(".csv")) {
appState.mapFile = arg;
} else {
if (appState.map.tileWidth) {
appState.map.tileHeight = cast(int) arg.toSigned().getOr(16);
} else {
appState.map.tileWidth = cast(int) arg.toSigned().getOr(16);
appState.map.tileHeight = appState.map.tileWidth;
}
}
}
appState.atlasCamera.data = Camera(0, 0, true);
if (appState.atlas.isValid) {
appState.atlasCamera.setPosition(appState.atlas.size * Vec2(0.5f));
}
if (appState.map.tileWidth == 0) {
appState.map.tileWidth = 16;
appState.map.tileHeight = 16;
}
auto value = loadTempText(appState.mapFile);
if (value.isSome) {
appState.map.parse(value.get());
appState.map.resizeSoft(appState.map.hardColCount, appState.map.hardRowCount);
} else {
appState.mapFile = "";
}
}
bool update(float dt) {
if (Keyboard.f11.isPressed) toggleIsFullscreen();
if (Keyboard.n1.isPressed) appState.mode = cast(AppMode) !appState.mode;
if (Keyboard.n2.isPressed) appState.editMode = cast(EditMode) !appState.editMode;
auto windowCenter = windowSize * Vec2(0.5f);
auto atlasRowCount = appState.atlas.height / appState.map.tileHeight;
auto atlasColCount = appState.atlas.width / appState.map.tileWidth;
auto canvasMouse = mouse;
auto editMouseInfo = MouseInfo();
auto selectMouseInfo = MouseInfo();
if (0) {
} else if (canvasMouse.y <= defaultPanelHeight) {
canvasMouse.y = -100000.0f;
} else if (canvasMouse.y >= windowHeight - defaultPanelHeight) {
canvasMouse.y = 100000.0f;
}
editMouseInfo.update(canvasMouse, appState.camera, appState.map.softRowCount, appState.map.softColCount, appState.map.tileSize);
selectMouseInfo.update(canvasMouse, appState.atlasCamera, atlasRowCount, atlasColCount, appState.map.tileSize);
appState.camera.update(wasd * Vec2(appState.mode == AppMode.edit), deltaWheel * (appState.mode == AppMode.edit), dt);
appState.atlasCamera.update(wasd * Vec2(appState.mode == AppMode.select), deltaWheel * (appState.mode == AppMode.select), dt);
with (AppMode) final switch (appState.mode) {
case edit:
if (!appState.atlas.isValid) break;
if (0) {
} else if (Mouse.left.isPressed) {
appState.editMainPair.a = IVec2(-100000);
} else if (Mouse.left.isDown) {
if (0) {
} else if (appState.editMode == EditMode.brush) {
auto tileArea = IRect(appState.editMainPair.a, appState.mainPair.diff);
auto userArea = IRect(editMouseInfo.gridPoint, appState.mainPair.diff);
if (tileArea.hasIntersectionInclusive(userArea)) break;
appState.editMainPair.a = editMouseInfo.gridPoint;
foreach (y; appState.mainPair.a.y .. appState.mainPair.b.y + 1) {
foreach (x; appState.mainPair.a.x .. appState.mainPair.b.x + 1) {
auto point = editMouseInfo.gridPoint + IVec2(x - appState.mainPair.a.x, y - appState.mainPair.a.y);
if (!appState.map.has(point)) continue;
appState.map[point] = cast(short) jokaFindGridIndex(y, x, atlasColCount);
}
}
} else if (appState.editMode == EditMode.random) {
if (!editMouseInfo.isInGrid) break;
auto x = appState.mainPair.a.x + randi % (appState.mainPair.diff.x + 1);
auto y = appState.mainPair.a.y + randi % (appState.mainPair.diff.y + 1);
appState.map[editMouseInfo.gridPoint] = cast(short) jokaFindGridIndex(y, x, atlasColCount);
} else if (appState.editMode == EditMode.eraser) {
assert(0, "NOT DONE!");
if (!editMouseInfo.isInGrid) break;
} else {
assert(0, "WTF!");
}
} else if (Mouse.right.isPressed) {
if (!editMouseInfo.isInGrid) break;
appState.editTempPair = GridPair(editMouseInfo.gridPoint);
appState.editMainPair = appState.editTempPair;
} else if (Mouse.right.isDown) {
if (!editMouseInfo.isInGrid) break;
appState.editTempPair.b = editMouseInfo.gridPoint;
appState.editMainPair = appState.editTempPair;
appState.editMainPair.fix();
}
break;
case select:
if (!appState.atlas.isValid) break;
if (0) {
} else if (Mouse.left.isPressed || Mouse.right.isPressed) {
if (!selectMouseInfo.isInGrid) break;
appState.tempPair = GridPair(selectMouseInfo.gridPoint);
appState.mainPair = appState.tempPair;
} else if (Mouse.left.isDown || Mouse.right.isDown) {
if (!selectMouseInfo.isInGrid) break;
appState.tempPair.b = selectMouseInfo.gridPoint;
appState.mainPair = appState.tempPair;
appState.mainPair.fix();
}
break;
}
appState.camera.attach();
drawRect(Rect(appState.map.size).addAll(4), mapAreaColor);
if (appState.camera.targetScale >= 1.0f) drawHollowRect(Rect(appState.map.size).addAll(4), 1, mapAreaOutlineColor);
drawTileMap(appState.atlas, appState.map, appState.camera.data);
if (appState.mode == AppMode.edit) {
drawTextureArea(
appState.atlas,
Rect(appState.mainPair.a.toVec() * appState.map.tileSize, appState.map.tileSize),
editMouseInfo.worldGridPoint,
);
if (appState.editMode == EditMode.brush) {
drawTextureArea(appState.atlas, Rect(appState.mainPair.a.toVec() * appState.map.tileSize, (appState.mainPair.diff + IVec2(1)).toVec() * appState.map.tileSize), editMouseInfo.worldGridPoint);
drawHollowRect(Rect(editMouseInfo.worldGridPoint, (appState.mainPair.diff + IVec2(1)).toVec() * appState.map.tileSize), 1, mouseAreaColor);
} else {
drawTextureArea(appState.atlas, Rect(appState.mainPair.a.toVec() * appState.map.tileSize, appState.map.tileSize), editMouseInfo.worldGridPoint);
drawHollowRect(Rect(editMouseInfo.worldGridPoint, appState.map.tileSize), 1, mouseAreaColor);
}
}
appState.camera.detach();
auto tempArea = Rect(windowSize);
auto topPanelArea = tempArea.subTop(defaultPanelHeight);
auto canvasArea = tempArea.subTop(tempArea.size.y - defaultPanelHeight);
auto bottomPanelArea = tempArea.subTop(defaultPanelHeight);
drawRect(topPanelArea, panelColor1);
drawRect(bottomPanelArea, panelColor1);
if (appState.camera.targetScale <= 0.5f) {
drawRect(Rect(windowCenter, 15, 15).centerArea, panelColor1);
}
auto textOptions = DrawOptions(panelColor4);
textOptions.hook = Hook.center;
auto selectArea = canvasArea;
selectArea.subTopBottom(defaultPanelHeight * 0.50f);
selectArea.subLeftRight(windowWidth * 0.15f);
auto atlasArea = selectArea;
atlasArea.subAll(8);
appState.atlasViewport.resize(cast(int) atlasArea.size.x, cast(int) atlasArea.size.y);
tempArea = topPanelArea;
tempArea.subLeftRight(16);
tempArea.subTopBottom(8);
drawRect(tempArea.subLeft(48 - 16), panelColor2); // Menu
tempArea.subLeft(6);
drawRect(tempArea.subLeft(48 - 16), panelColor3); // Pencil
tempArea.subLeft(6);
drawRect(tempArea.subLeft(48 - 16), panelColor2); // Eraser
tempArea.subLeft(6);
drawRect(tempArea.subLeft(48 - 16), panelColor2); // Set
tempArea.subLeft(16);
auto mapButtonArea = tempArea.subLeft(200);
drawRect(mapButtonArea, panelColor2); // Map 1
drawText(appState.mapFile.length ? appState.mapFile.pathBaseNameNoExt : "Empty", mapButtonArea.centerPoint.floor(), textOptions);
tempArea = bottomPanelArea;
tempArea.subLeftRight(16);
tempArea.subTopBottom(8);
textOptions.hook = Hook.left;
drawText(
"({},{})({})".format(
editMouseInfo.isInGrid ? editMouseInfo.gridPoint.x : 0,
editMouseInfo.isInGrid ? editMouseInfo.gridPoint.y : 0,
editMouseInfo.isInGrid ? editMouseInfo.gridIndex : 0,
),
tempArea.leftPoint.floor(),
textOptions,
);
textOptions.hook = Hook.center;
drawText(appState.atlasFile.length ? appState.atlasFile.pathBaseNameNoExt : "Empty", tempArea.centerPoint.floor(), textOptions);
textOptions.hook = Hook.right;
drawText("{}x{}".format(appState.map.tileWidth, appState.map.tileHeight), tempArea.rightPoint.floor(), textOptions);
if (appState.mode == AppMode.select) {
drawRect(selectArea, panelColor1);
appState.atlasViewport.attach();
appState.atlasCamera.attach();
drawTexture(appState.atlas, Vec2(0));
drawHollowRect(Rect(selectMouseInfo.worldGridPoint, appState.map.tileSize), 1, mouseAreaColor);
drawHollowRect(Rect(appState.mainPair.a.toVec() * appState.map.tileSize, (appState.mainPair.diff + IVec2(1)).toVec() * appState.map.tileSize), 1, mouseAreaColor);
appState.atlasCamera.detach();
appState.atlasViewport.detach();
drawViewport(appState.atlasViewport, atlasArea.position);
if (appState.atlasCamera.targetScale <= 0.5f) {
drawRect(Rect(windowCenter, 15, 15).centerArea, panelColor3);
}
}
return false;
}
void finish() { }
mixin runGame!(ready, update, finish, 969, 666);