82 lines
2.1 KiB
C++
82 lines
2.1 KiB
C++
//
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// Created by Wouter Groeneveld on 28/07/18.
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//
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#ifndef GBA_SPRITE_ENGINE_GBAENGINE_H
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#define GBA_SPRITE_ENGINE_GBAENGINE_H
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#include <engine/sprites/sprite_manager.h>
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#include <engine/gba/tonc_memmap.h>
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#include <engine/gba/tonc_memdef.h>
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#include <engine/effects/scene_effect.h>
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#include "Scene.h"
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#define CLOCK 16777216
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#define CYCLES_PER_BLANK 280806
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#define OVERFLOW_16_BIT_VALUE 65536
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#define DISPLAY_INTERRUPT_VBLANK_ENABLE 0x08
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#define INTERRUPT_VBLANK 0x1
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#define DMA_SYNC_TO_TIMER 0x30000000
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#define IRQ_CALLBACK ((volatile unsigned int*) 0x3007FFC)
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enum SoundChannel {
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ChannelA, ChannelB
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};
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struct SoundControl {
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vu32* DMAControl; // ex. ®_DMA1CNT
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vu32* DMASourceAddress; // ex. ®_DMA1SAD
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vu32* DMADestinationAddress; // ex. ®_DMA1DAD
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vu32* FiFoBuffer; // ex. ®_FIFOA
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u16 ControlFlags;
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};
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void onvblank();
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class GBAEngine {
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private:
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// WHY raw pointers? the engine does the transition and cleanup work itself
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Scene* currentScene;
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Scene* sceneToTransitionTo;
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SceneEffect* currentEffectForTransition;
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SpriteManager spriteManager;
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void vsync() {
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while (REG_VCOUNT >= 160);
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while (REG_VCOUNT < 160);
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}
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SoundControl channelAControl();
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SoundControl channelBControl();
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SoundControl soundControl(SoundChannel channel) {
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return channel == ChannelA ? channelAControl() : channelBControl();
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};
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void cleanupPreviousScene();
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void queueSound(const s8* data, int totalSamples, int sampleRate, SoundControl control);
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public:
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GBAEngine();
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void setScene(Scene* scene);
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void transitionIntoScene(Scene* scene, SceneEffect* effect);
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void queueMusic(const s8* data, int totalSamples) {
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queueSound(data, totalSamples, 16000, soundControl(ChannelA));
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}
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void queueSound(const s8* data, int totalSamples) {
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queueSound(data, totalSamples, 16000, soundControl(ChannelB));
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}
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u16 readKeys();
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void update();
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void delay(int times) {
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for(int i = 0; i < times; i++){}
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}
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};
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#endif //GBA_SPRITE_ENGINE_GBAENGINE_H
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