120 lines
2.9 KiB
C
120 lines
2.9 KiB
C
/**
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* Copyright (c) 2025 Dominic Masters
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*
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* This software is released under the MIT License.
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* https://opensource.org/licenses/MIT
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*/
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#include "scenemanager.h"
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#include "util/memory.h"
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#include "assert/assert.h"
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#include "display/framebuffer.h"
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#include "util/string.h"
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#include "asset/asset.h"
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#include "script/scriptmanager.h"
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scenemanager_t SCENE_MANAGER;
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errorret_t sceneManagerInit(void) {
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memoryZero(&SCENE_MANAGER, sizeof(scenemanager_t));
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sceneManagerRegisterScene(&SCENE_TEST);
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sceneManagerRegisterScene(&SCENE_MAP);
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errorOk();
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}
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scene_t * sceneManagerGetSceneByName(const char_t *name) {
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assertNotNull(name, "Name is null");
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for(uint8_t i = 0; i < SCENE_MANAGER.sceneCount; i++) {
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if(strcmp(SCENE_MANAGER.scenes[i]->name, name) != 0) continue;
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return SCENE_MANAGER.scenes[i];
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}
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return NULL;
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}
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void sceneManagerRegisterScene(scene_t *scene) {
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assertNotNull(scene, "Scene is null");
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assertTrue(
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SCENE_MANAGER.sceneCount < SCENE_MANAGER_SCENE_COUNT_MAX,
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"Scene count exceeded max"
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);
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assertNotNull(scene->name, "Scene name is null");
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assertNull(
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sceneManagerGetSceneByName(scene->name), "Scene name already registered"
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);
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SCENE_MANAGER.scenes[SCENE_MANAGER.sceneCount++] = scene;
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}
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errorret_t sceneManagerSetScene(scene_t *scene) {
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if(
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SCENE_MANAGER.current &&
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(SCENE_MANAGER.current->flags & SCENE_FLAG_INITIALIZED) != 0
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) {
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SCENE_MANAGER.current->flags &= ~SCENE_FLAG_INITIALIZED;
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if(SCENE_MANAGER.current->dispose) {
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SCENE_MANAGER.current->dispose(&SCENE_MANAGER.sceneData);
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}
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}
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SCENE_MANAGER.current = scene;
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if(scene && (scene->flags & SCENE_FLAG_INITIALIZED) == 0) {
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scene->flags |= SCENE_FLAG_INITIALIZED;
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if(scene->init) errorChain(scene->init(&SCENE_MANAGER.sceneData));
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// Execute scene script if it exists
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char_t buffer[256];
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snprintf(buffer, sizeof(buffer), "scene/%s.dsf", scene->name);
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if(assetFileExists(buffer)) {
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scriptcontext_t ctx;
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scriptContextInit(&ctx);
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errorChain(scriptContextExecFile(&ctx, buffer));
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scriptContextDispose(&ctx);
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}
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}
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errorOk();
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}
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void sceneManagerUpdate(void) {
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if(!SCENE_MANAGER.current) return;
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assertTrue(
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SCENE_MANAGER.current->flags & SCENE_FLAG_INITIALIZED,
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"Current scene not initialized"
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);
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if(SCENE_MANAGER.current->update) {
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SCENE_MANAGER.current->update(&SCENE_MANAGER.sceneData);
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}
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}
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void sceneManagerRender(void) {
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if(!SCENE_MANAGER.current) return;
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assertTrue(
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SCENE_MANAGER.current->flags & SCENE_FLAG_INITIALIZED,
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"Current scene not initialized"
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);
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if(SCENE_MANAGER.current->render) {
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SCENE_MANAGER.current->render(&SCENE_MANAGER.sceneData);
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}
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}
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void sceneManagerDispose(void) {
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for(uint8_t i = 0; i < SCENE_MANAGER.sceneCount; i++) {
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scene_t *scene = SCENE_MANAGER.scenes[i];
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if(scene->flags & SCENE_FLAG_INITIALIZED) {
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scene->dispose(&SCENE_MANAGER.sceneData);
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}
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}
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SCENE_MANAGER.sceneCount = 0;
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}
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