luboslenco
119 lines
2.6 KiB
TypeScript
119 lines
2.6 KiB
TypeScript
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let tilesheet_datas: tilesheet_data_t[];
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function tilesheet_create(scene_name: string, tilesheet_ref: string, tilesheet_action_ref: string): tilesheet_t {
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let t: tilesheet_t = {};
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t.ready = false;
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for (let i: i32 = 0; i < tilesheet_datas.length; ++i) {
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let ts: tilesheet_data_t = tilesheet_datas[i];
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if (ts.name == tilesheet_ref) {
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t.raw = ts;
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tilesheet_play(t, tilesheet_action_ref);
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t.ready = true;
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break;
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}
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}
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return t;
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}
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function tilesheet_play(self: tilesheet_t, action_ref: string, on_action_complete: ()=>void = null) {
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self.on_action_complete = on_action_complete;
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for (let i: i32 = 0; i < self.raw.actions.length; ++i) {
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let a: tilesheet_action_t = self.raw.actions[i];
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if (a.name == action_ref) {
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self.action = a;
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break;
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}
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}
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tilesheet_set_frame(self, self.action.start);
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self.paused = false;
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self.time = 0.0;
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}
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function tilesheet_pause(self: tilesheet_t) {
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self.paused = true;
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}
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function tilesheet_resume(self: tilesheet_t) {
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self.paused = false;
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}
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function tilesheet_set_frame_offset(self: tilesheet_t, frame: i32) {
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tilesheet_set_frame(self, self.action.start + frame);
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self.paused = false;
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}
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function tilesheet_get_frame_offset(self: tilesheet_t): i32 {
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return self.frame - self.action.start;
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}
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function tilesheet_update(self: tilesheet_t) {
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if (!self.ready || self.paused) {
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return;
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}
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self.time += sys_real_delta();
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let frame_time: f32 = 1 / self.raw.framerate;
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let frames_to_advance: i32 = 0;
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while (self.time >= frame_time) {
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self.time -= frame_time;
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frames_to_advance++;
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}
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if (frames_to_advance != 0) {
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tilesheet_set_frame(self, self.frame + frames_to_advance);
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}
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}
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function tilesheet_set_frame(self: tilesheet_t, f: i32) {
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self.frame = f;
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// Action end
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if (self.frame > self.action.end) {
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if (self.on_action_complete != null) {
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self.on_action_complete();
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}
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if (self.action.loop) {
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tilesheet_set_frame(self, self.action.start);
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}
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else {
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self.paused = true;
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}
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return;
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}
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let tx: i32 = self.frame % self.raw.tiles_x;
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let ty: i32 = math_floor(self.frame / self.raw.tiles_x);
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self.tile_x = tx * (1 / self.raw.tiles_x);
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self.tile_y = ty * (1 / self.raw.tiles_y);
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}
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type tilesheet_data_t = {
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name?: string;
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tiles_x?: i32;
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tiles_y?: i32;
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framerate?: i32;
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actions?: tilesheet_action_t[];
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};
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type tilesheet_action_t = {
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name?: string;
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start?: i32;
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end?: i32;
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loop?: bool;
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};
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type tilesheet_t = {
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tile_x?: f32; // Tile offset on tilesheet texture 0-1
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tile_y?: f32;
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raw?: tilesheet_data_t;
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action?: tilesheet_action_t;
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ready?: bool;
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paused?: bool;
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frame?: i32;
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time?: f32;
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on_action_complete?: ()=>void;
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};
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