323 lines
11 KiB
C++
323 lines
11 KiB
C++
#include <nds.h>
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#include <vector>
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#include <deque>
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#include <array>
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#include <consts.h>
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#include <game_state.h>
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#include <game_logic.h>
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#include <game_render.h>
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#include <game_audio.h>
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#include <game_input.h>
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#include <game_bg.h>
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#include "tilemap.h"
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using namespace std;
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volatile uint8_t frame = 0;
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volatile bool internals = false;
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GameState gameState;
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volatile uint16_t &ticks = gameState.ticks;
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volatile uint16_t &snakelength = gameState.snakelength;
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/***
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* 0 = up
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* 1 = right
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* 2 = down
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* 3 = left
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***/
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volatile uint16_t &snakeDirection = gameState.snakeDirection;
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volatile uint16_t &score = gameState.score;
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volatile uint16_t &applesEaten = gameState.applesEaten;
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bool &gameOver = gameState.gameOver;
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bool &paused = gameState.paused;
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bool &hardMode = gameState.hardMode;
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std::deque<std::array<int, 3>> &snake = gameState.snake;
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std::vector<std::array<int, 2>> &apples = gameState.apples;
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std::vector<std::array<int, 2>> &bad_apples = gameState.bad_apples;
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// 31x23
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PrintConsole topScreen;
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PrintConsole bottomScreen;
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int sound;
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AudioContext audioContext;
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RenderAssets renderAssets;
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BackgroundContext bgContext;
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const void * get_sprite_pointer(uint16_t spriteIndex) {
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return &tilemapTiles[spriteIndex*16];
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}
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void setup() {
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// Set up screens
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videoSetMode(MODE_0_2D);
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videoSetModeSub(MODE_0_2D);
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vramSetBankA(VRAM_A_MAIN_BG);
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vramSetBankC(VRAM_C_SUB_BG);
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vramSetBankD(VRAM_D_SUB_SPRITE);
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consoleInit(&topScreen, 3,BgType_Text4bpp, BgSize_T_256x256, X_MAX, 0, true, true);
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consoleInit(&bottomScreen, 3,BgType_Text4bpp, BgSize_T_256x256, X_MAX, 0, false, true);
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oamInit(&oamSub, SpriteMapping_1D_32, false);
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bg_setup(bgContext, topScreen.bgId, bottomScreen.bgId);
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renderAssets.topScreen = &topScreen;
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renderAssets.bottomScreen = &bottomScreen;
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renderAssets.bg_context = &bgContext;
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renderAssets.gfx_segment = oamAllocateGfx(&oamSub, SpriteSize_8x8, SpriteColorFormat_256Color);
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renderAssets.gfx_segment_small = oamAllocateGfx(&oamSub, SpriteSize_8x8, SpriteColorFormat_256Color);
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renderAssets.gfx_head_h = oamAllocateGfx(&oamSub, SpriteSize_8x8, SpriteColorFormat_256Color);
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renderAssets.gfx_head_v = oamAllocateGfx(&oamSub, SpriteSize_8x8, SpriteColorFormat_256Color);
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renderAssets.gfx_apple = oamAllocateGfx(&oamSub, SpriteSize_8x8, SpriteColorFormat_256Color);
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renderAssets.gfx_apple_blink = oamAllocateGfx(&oamSub, SpriteSize_8x8, SpriteColorFormat_256Color);
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renderAssets.gfx_tail_h[0] = oamAllocateGfx(&oamSub, SpriteSize_8x8, SpriteColorFormat_256Color);
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renderAssets.gfx_tail_h[1] = oamAllocateGfx(&oamSub, SpriteSize_8x8, SpriteColorFormat_256Color);
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renderAssets.gfx_tail_v[0] = oamAllocateGfx(&oamSub, SpriteSize_8x8, SpriteColorFormat_256Color);
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renderAssets.gfx_tail_v[1] = oamAllocateGfx(&oamSub, SpriteSize_8x8, SpriteColorFormat_256Color);
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renderAssets.gfx_apple_rotten = oamAllocateGfx(&oamSub, SpriteSize_8x8, SpriteColorFormat_256Color);
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renderAssets.gfx_apple_cursed = oamAllocateGfx(&oamSub, SpriteSize_8x8, SpriteColorFormat_256Color);
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renderAssets.gfx_barrier = oamAllocateGfx(&oamSub, SpriteSize_8x8, SpriteColorFormat_256Color);
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renderAssets.gfx_barrier_warn = oamAllocateGfx(&oamSub, SpriteSize_8x8, SpriteColorFormat_256Color);
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dmaCopy(get_sprite_pointer(1), renderAssets.gfx_segment, 64);
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dmaCopy(get_sprite_pointer(2), renderAssets.gfx_segment_small, 64);
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dmaCopy(get_sprite_pointer(3), renderAssets.gfx_head_h, 64);
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dmaCopy(get_sprite_pointer(4), renderAssets.gfx_head_v, 64);
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dmaCopy(get_sprite_pointer(5), renderAssets.gfx_apple, 64);
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dmaCopy(get_sprite_pointer(6), renderAssets.gfx_apple_blink, 64);
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dmaCopy(get_sprite_pointer(7), renderAssets.gfx_tail_h[0], 64);
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dmaCopy(get_sprite_pointer(8), renderAssets.gfx_tail_h[1], 64);
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dmaCopy(get_sprite_pointer(9), renderAssets.gfx_tail_v[0], 64);
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dmaCopy(get_sprite_pointer(10), renderAssets.gfx_tail_v[1], 64);
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dmaCopy(get_sprite_pointer(11), renderAssets.gfx_apple_rotten, 64);
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consoleSelect(&topScreen);
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dmaCopy(tilemapPal, SPRITE_PALETTE_SUB, tilemapPalLen);
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// Setup vibrant base colors for the Cursed Apple sprite (neon electric purple with toxic green horn)
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SPRITE_PALETTE_SUB[CURSE_PAL_OUTLINE] = RGB15(5, 0, 12); // Deep mystical dark purple outline
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SPRITE_PALETTE_SUB[CURSE_PAL_FILL] = RGB15(22, 2, 28); // Vibrant Electric Purple
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SPRITE_PALETTE_SUB[CURSE_PAL_GLOW] = RGB15(29, 6, 31); // Radiant Neon Magenta Glow
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SPRITE_PALETTE_SUB[CURSE_PAL_CORE] = RGB15(31, 26, 31); // Glowing White-Pink Core
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SPRITE_PALETTE_SUB[CURSE_PAL_LEAF] = RGB15(2, 31, 10); // Toxic Radioactive Neon Green
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// Setup initial colors for the hard-mode temporary fatal barriers
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SPRITE_PALETTE_SUB[BARRIER_PAL_EDGE] = RGB15(12, 0, 3);
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SPRITE_PALETTE_SUB[BARRIER_PAL_FILL] = RGB15(22, 2, 4);
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SPRITE_PALETTE_SUB[BARRIER_PAL_STRIPE] = RGB15(31, 22, 6);
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SPRITE_PALETTE_SUB[BARRIER_PAL_WARN] = RGB15(18, 4, 2);
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// 8x8 256-color tile data for Cursed Apple (vibrant electric purple apple with radioactive green horn & glowing core)
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static const uint32_t CURSED_APPLE_TILE[16] = {
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0x10000000, 0x00001414,
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0x10101000, 0x00101014,
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0x12111110, 0x10111112,
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0x13121110, 0x10111112,
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0x13131110, 0x10111112,
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0x13121110, 0x10111211,
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0x11111000, 0x00101111,
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0x10100000, 0x00101000,
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};
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// 8x8 256-color tile data for solid fatal barrier (bordered hazard stripe block)
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static const uint32_t BARRIER_SOLID_TILE[16] = {
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0x15151515, 0x15151515,
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0x16171715, 0x15171716,
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0x16161715, 0x15161717,
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0x17161615, 0x15161617,
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0x17171615, 0x15171616,
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0x16171715, 0x15171716,
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0x16161715, 0x15161717,
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0x15151515, 0x15151515,
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};
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// 8x8 256-color tile data for barrier warning announcement (pulsing reticle frame)
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static const uint32_t BARRIER_WARN_TILE[16] = {
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0x00001818, 0x18180000,
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0x18000018, 0x18000018,
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0x18180000, 0x00001818,
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0x00181800, 0x00181800,
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0x00181800, 0x00181800,
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0x18180000, 0x00001818,
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0x18000018, 0x18000018,
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0x00001818, 0x18180000,
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};
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// Copy cursed apple tile directly into allocated VRAM (32 halfwords)
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auto *dest_apple_cursed = static_cast<uint16_t *>(renderAssets.gfx_apple_cursed);
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const auto *src_apple_cursed = reinterpret_cast<const uint16_t *>(CURSED_APPLE_TILE);
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for (size_t i = 0; i < 32; i++) {
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dest_apple_cursed[i] = src_apple_cursed[i];
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}
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auto *dest_barrier = static_cast<uint16_t *>(renderAssets.gfx_barrier);
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const auto *src_barrier = reinterpret_cast<const uint16_t *>(BARRIER_SOLID_TILE);
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for (size_t i = 0; i < 32; i++) {
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dest_barrier[i] = src_barrier[i];
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}
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auto *dest_barrier_warn = static_cast<uint16_t *>(renderAssets.gfx_barrier_warn);
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const auto *src_barrier_warn = reinterpret_cast<const uint16_t *>(BARRIER_WARN_TILE);
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for (size_t i = 0; i < 32; i++) {
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dest_barrier_warn[i] = src_barrier_warn[i];
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}
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audio_setup(audioContext);
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}
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void handle_vblank() {
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frame++;
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bg_update(bgContext, gameState, frame);
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if (gameState.scene == Scene::Playing) {
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consoleSelect(&topScreen);
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draw_stats(gameState, renderAssets, internals, audio_is_music_enabled(audioContext), frame);
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if (!gameState.paused) {
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tick_barriers_frame(gameState);
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}
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draw_barriers(gameState, renderAssets, frame);
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}
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// Dynamic pulsing radioactive glow for Cursed Apples (smooth 60fps breathing)
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const uint8_t pulse = (frame >> 2U) & 7U; // 8-step cycle
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const uint8_t wave = (pulse < 4U) ? pulse : static_cast<uint8_t>(7U - pulse); // 0, 1, 2, 3, 3, 2, 1, 0
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SPRITE_PALETTE_SUB[CURSE_PAL_FILL] = static_cast<uint16_t>(RGB15(20 + (wave * 3), 2 + wave, 26 + wave));
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SPRITE_PALETTE_SUB[CURSE_PAL_GLOW] = static_cast<uint16_t>(RGB15(26 + wave, 6 + (wave * 4), 31));
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SPRITE_PALETTE_SUB[CURSE_PAL_CORE] = (wave >= 2U)
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? static_cast<uint16_t>(RGB15(31, 31, 31))
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: static_cast<uint16_t>(RGB15(31, 22 + (wave * 3), 31));
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SPRITE_PALETTE_SUB[CURSE_PAL_LEAF] = static_cast<uint16_t>(RGB15(2 + (wave * 2), 31, 10 + (wave * 3)));
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oamUpdate(&oamSub);
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//flashy_colors();
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}
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void do_tick() {
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if (gameState.scene == Scene::Playing && !paused) {
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ticks++;
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if (!gameOver){
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const bool was_game_over = gameOver;
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/*if (hardMode) {
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timerStop(0);
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timerStart(0, ClockDivider_1024, TIMER_FREQ_1024(ticks+5), do_tick);
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}*/
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update_snake(gameState);
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audio_play_plop(audioContext);
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check_collision_self(gameState);
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if (check_collision_barriers(gameState)) {
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audio_play_boom(audioContext);
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}
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if (check_collision_apples(gameState)) {
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audio_play_pickup(audioContext);
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bg_trigger_pulse(bgContext);
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timerStart(0, ClockDivider_1024, calculate_timer_reload(gameState), do_tick);
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}
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if (check_collision_apples_rotten(gameState)) {
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audio_play_boom(audioContext);
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}
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if (check_collision_apples_cursed(gameState)) {
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audio_play_boom(audioContext);
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}
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spawn_apples(gameState);
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spawn_apples_rotten(gameState);
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spawn_apples_cursed(gameState);
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spawn_barriers(gameState);
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tick_status_effects(gameState);
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if (!was_game_over && gameOver) {
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audio_stop_music();
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audio_play_fail(audioContext);
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}
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//consoleSelect(&bottomScreen);
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draw_game(gameState, renderAssets);
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}
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}
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}
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void init_game() {
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applesEaten = 0;
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reset_barriers(gameState);
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if (hardMode) {
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timerStart(0, ClockDivider_1024, calculate_timer_reload(gameState), do_tick);
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setBackdropColorSub(RGB15(8, 3, 3));
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setBackdropColor(RGB15(6, 2, 2));
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score = 0;
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snakelength = START_LENGTH_HARD;
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snake = { {2,1,1}, {1,1,1} };
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apples.clear();
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bad_apples.clear();
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snakeDirection = 1;
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ticks = 0;
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gameOver=false;
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gameState.curseTicksRemaining = 0;
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gameState.cursed_apples.clear();
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consoleSelect(&topScreen);
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consoleClear();
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invalidate_hud(renderAssets);
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consoleSelect(&bottomScreen);
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consoleClear();
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oamClear(&oamSub,0,128);
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audio_start_music(audioContext);
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}
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else
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{
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timerStart(0, ClockDivider_1024, calculate_timer_reload(gameState), do_tick);
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setBackdropColorSub(RGB15(3, 4, 7));
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setBackdropColor(RGB15(2, 3, 6));
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score = 0;
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snakelength = START_LENGTH;
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snake = { {4,1,1}, {3,1,1}, {2,1,1}, {1,1,1} };
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snakeDirection = 1;
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ticks = 0;
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gameOver=false;
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gameState.curseTicksRemaining = 0;
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gameState.cursed_apples.clear();
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consoleSelect(&topScreen);
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consoleClear();
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invalidate_hud(renderAssets);
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consoleSelect(&bottomScreen);
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consoleClear();
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oamClear(&oamSub,0,128);
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audio_start_music(audioContext);
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}
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}
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int main(void) {
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// Set up VBlank handler
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irqSet(IRQ_VBLANK, handle_vblank);
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setup();
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setBackdropColor(RGB15(2, 2, 6));
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setBackdropColorSub(RGB15(2, 2, 6));
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draw_menu(gameState, renderAssets, audio_is_music_enabled(audioContext));
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InputContext inputContext;
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inputContext.state = &gameState;
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inputContext.renderAssets = &renderAssets;
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inputContext.audio = &audioContext;
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inputContext.internals = &internals;
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inputContext.topScreen = &topScreen;
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inputContext.init_game = init_game;
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while(1) {
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if (!handle_input_frame(inputContext)) {
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break;
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}
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}
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return 0;
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}
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