262 lines
8.1 KiB
C++
262 lines
8.1 KiB
C++
#include "core/jail/jdraw8.hpp"
|
|
|
|
#include <fstream>
|
|
|
|
#include "core/jail/jfile.hpp"
|
|
#if defined(__clang__)
|
|
#pragma clang diagnostic push
|
|
#pragma clang diagnostic ignored "-Wunused-but-set-variable"
|
|
#elif defined(__GNUC__)
|
|
#pragma GCC diagnostic push
|
|
#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
|
|
#endif
|
|
#include "external/gif.h"
|
|
#if defined(__clang__)
|
|
#pragma clang diagnostic pop
|
|
#elif defined(__GNUC__)
|
|
#pragma GCC diagnostic pop
|
|
#endif
|
|
|
|
JD8_Surface screen = NULL;
|
|
JD8_Palette main_palette = NULL;
|
|
Uint32* pixel_data = NULL;
|
|
|
|
void JD8_Init() {
|
|
screen = (JD8_Surface)calloc(1, 64000);
|
|
main_palette = (JD8_Palette)calloc(1, 768);
|
|
pixel_data = (Uint32*)calloc(1, 320 * 200 * 4);
|
|
}
|
|
|
|
void JD8_Quit() {
|
|
if (screen != NULL) free(screen);
|
|
if (main_palette != NULL) free(main_palette);
|
|
if (pixel_data != NULL) free(pixel_data);
|
|
}
|
|
|
|
void JD8_ClearScreen(Uint8 color) {
|
|
memset(screen, color, 64000);
|
|
}
|
|
|
|
JD8_Surface JD8_NewSurface() {
|
|
JD8_Surface surface = (JD8_Surface)malloc(64000);
|
|
memset(surface, 0, 64000);
|
|
return surface;
|
|
}
|
|
|
|
JD8_Surface JD8_LoadSurface(const char* file) {
|
|
auto buffer = file_readfile(file);
|
|
|
|
unsigned short w, h;
|
|
Uint8* pixels = LoadGif(reinterpret_cast<unsigned char*>(buffer.data()), &w, &h);
|
|
|
|
if (pixels == NULL) {
|
|
printf("Unable to load bitmap: %s\n", SDL_GetError());
|
|
exit(1);
|
|
}
|
|
|
|
JD8_Surface image = JD8_NewSurface();
|
|
memcpy(image, pixels, 64000);
|
|
|
|
free(pixels);
|
|
return image;
|
|
}
|
|
|
|
JD8_Palette JD8_LoadPalette(const char* file) {
|
|
auto buffer = file_readfile(file);
|
|
return (JD8_Palette)LoadPalette(reinterpret_cast<unsigned char*>(buffer.data()));
|
|
}
|
|
|
|
void JD8_SetScreenPalette(JD8_Palette palette) {
|
|
if (main_palette == palette) return;
|
|
if (main_palette != NULL) free(main_palette);
|
|
main_palette = palette;
|
|
}
|
|
|
|
void JD8_FillSquare(int ini, int height, Uint8 color) {
|
|
const int offset = ini * 320;
|
|
const int size = height * 320;
|
|
memset(&screen[offset], color, size);
|
|
}
|
|
|
|
void JD8_Blit(JD8_Surface surface) {
|
|
memcpy(screen, surface, 64000);
|
|
}
|
|
|
|
void JD8_Blit(int x, int y, JD8_Surface surface, int sx, int sy, int sw, int sh) {
|
|
int src_pointer = sx + (sy * 320);
|
|
int dst_pointer = x + (y * 320);
|
|
for (int i = 0; i < sh; i++) {
|
|
memcpy(&screen[dst_pointer], &surface[src_pointer], sw);
|
|
src_pointer += 320;
|
|
dst_pointer += 320;
|
|
}
|
|
}
|
|
|
|
void JD8_BlitToSurface(int x, int y, JD8_Surface surface, int sx, int sy, int sw, int sh, JD8_Surface dest) {
|
|
int src_pointer = sx + (sy * 320);
|
|
int dst_pointer = x + (y * 320);
|
|
for (int i = 0; i < sh; i++) {
|
|
memcpy(&dest[dst_pointer], &surface[src_pointer], sw);
|
|
src_pointer += 320;
|
|
dst_pointer += 320;
|
|
}
|
|
}
|
|
|
|
void JD8_BlitCK(int x, int y, JD8_Surface surface, int sx, int sy, int sw, int sh, Uint8 colorkey) {
|
|
int src_pointer = sx + (sy * 320);
|
|
int dst_pointer = x + (y * 320);
|
|
for (int j = 0; j < sh; j++) {
|
|
for (int i = 0; i < sw; i++) {
|
|
if (surface[src_pointer + i] != colorkey) screen[dst_pointer + i] = surface[src_pointer + i];
|
|
}
|
|
src_pointer += 320;
|
|
dst_pointer += 320;
|
|
}
|
|
}
|
|
|
|
void JD8_BlitCKCut(int x, int y, JD8_Surface surface, int sx, int sy, int sw, int sh, Uint8 colorkey) {
|
|
int src_pointer = sx + (sy * 320);
|
|
int dst_pointer = x + (y * 320);
|
|
for (int j = 0; j < sh; j++) {
|
|
for (int i = 0; i < sw; i++) {
|
|
if (surface[src_pointer + i] != colorkey && (x + i >= 0) && (y + j >= 0) && (x + i < 320) && (y + j < 200)) screen[dst_pointer + i] = surface[src_pointer + i];
|
|
}
|
|
src_pointer += 320;
|
|
dst_pointer += 320;
|
|
}
|
|
}
|
|
|
|
void JD8_BlitCKScroll(int y, JD8_Surface surface, int sx, int sy, int sh, Uint8 colorkey) {
|
|
int dst_pointer = y * 320;
|
|
for (int j = sy; j < sy + sh; j++) {
|
|
for (int i = 0; i < 320; i++) {
|
|
int x = (i + sx) % 320;
|
|
if (surface[x + j * 320] != colorkey) screen[dst_pointer] = surface[x + j * 320];
|
|
dst_pointer++;
|
|
}
|
|
}
|
|
}
|
|
|
|
void JD8_BlitCKToSurface(int x, int y, JD8_Surface surface, int sx, int sy, int sw, int sh, JD8_Surface dest, Uint8 colorkey) {
|
|
int src_pointer = sx + (sy * 320);
|
|
int dst_pointer = x + (y * 320);
|
|
for (int j = 0; j < sh; j++) {
|
|
for (int i = 0; i < sw; i++) {
|
|
if (surface[src_pointer + i] != colorkey) dest[dst_pointer + i] = surface[src_pointer + i];
|
|
}
|
|
src_pointer += 320;
|
|
dst_pointer += 320;
|
|
}
|
|
}
|
|
|
|
void JD8_Flip() {
|
|
// Converteix el framebuffer indexat (paletted) a ARGB (pixel_data).
|
|
// El Director crida aquesta funció després del tick de cada escena
|
|
// per preparar el frame abans de presentar-lo. Ja no fa yield —
|
|
// tot corre en un sol thread sense fibers des de Phase B.2.
|
|
for (int x = 0; x < 320; x++) {
|
|
for (int y = 0; y < 200; y++) {
|
|
Uint32 color = 0xFF000000 + main_palette[screen[x + (y * 320)]].r + (main_palette[screen[x + (y * 320)]].g << 8) + (main_palette[screen[x + (y * 320)]].b << 16);
|
|
pixel_data[x + (y * 320)] = color;
|
|
}
|
|
}
|
|
}
|
|
|
|
Uint32* JD8_GetFramebuffer() {
|
|
return pixel_data;
|
|
}
|
|
|
|
void JD8_FreeSurface(JD8_Surface surface) {
|
|
free(surface);
|
|
}
|
|
|
|
Uint8 JD8_GetPixel(JD8_Surface surface, int x, int y) {
|
|
return surface[x + (y * 320)];
|
|
}
|
|
|
|
void JD8_PutPixel(JD8_Surface surface, int x, int y, Uint8 pixel) {
|
|
surface[x + (y * 320)] = pixel;
|
|
}
|
|
|
|
void JD8_SetPaletteColor(Uint8 index, Uint8 r, Uint8 g, Uint8 b) {
|
|
main_palette[index].r = r << 2;
|
|
main_palette[index].g = g << 2;
|
|
main_palette[index].b = b << 2;
|
|
}
|
|
|
|
// Màquina d'estats del fade. Evita que JD8_FadeOut/JD8_FadeToPal hagen de
|
|
// mantindre whiles interns. Cada pas aplica un delta a la paleta activa i
|
|
// el caller decideix quan fer Flip.
|
|
namespace {
|
|
|
|
enum FadeType {
|
|
FADE_NONE = 0,
|
|
FADE_OUT,
|
|
FADE_TO_PAL,
|
|
};
|
|
|
|
constexpr int FADE_STEPS = 32;
|
|
|
|
FadeType fade_type = FADE_NONE;
|
|
Color fade_target[256];
|
|
int fade_step = 0;
|
|
|
|
void apply_fade_step() {
|
|
if (fade_type == FADE_OUT) {
|
|
for (int i = 0; i < 256; i++) {
|
|
main_palette[i].r = main_palette[i].r >= 8 ? main_palette[i].r - 8 : 0;
|
|
main_palette[i].g = main_palette[i].g >= 8 ? main_palette[i].g - 8 : 0;
|
|
main_palette[i].b = main_palette[i].b >= 8 ? main_palette[i].b - 8 : 0;
|
|
}
|
|
} else if (fade_type == FADE_TO_PAL) {
|
|
for (int i = 0; i < 256; i++) {
|
|
main_palette[i].r = main_palette[i].r <= int(fade_target[i].r) - 8
|
|
? main_palette[i].r + 8
|
|
: fade_target[i].r;
|
|
main_palette[i].g = main_palette[i].g <= int(fade_target[i].g) - 8
|
|
? main_palette[i].g + 8
|
|
: fade_target[i].g;
|
|
main_palette[i].b = main_palette[i].b <= int(fade_target[i].b) - 8
|
|
? main_palette[i].b + 8
|
|
: fade_target[i].b;
|
|
}
|
|
}
|
|
}
|
|
|
|
} // namespace
|
|
|
|
void JD8_FadeStartOut() {
|
|
fade_type = FADE_OUT;
|
|
fade_step = 0;
|
|
}
|
|
|
|
void JD8_FadeStartToPal(JD8_Palette pal) {
|
|
fade_type = FADE_TO_PAL;
|
|
memcpy(fade_target, pal, sizeof(Color) * 256);
|
|
fade_step = 0;
|
|
}
|
|
|
|
bool JD8_FadeIsActive() {
|
|
return fade_type != FADE_NONE;
|
|
}
|
|
|
|
bool JD8_FadeTickStep() {
|
|
if (fade_type == FADE_NONE) return true;
|
|
|
|
apply_fade_step();
|
|
fade_step++;
|
|
|
|
if (fade_step >= FADE_STEPS) {
|
|
fade_type = FADE_NONE;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// Els shims bloquejants `JD8_FadeOut` i `JD8_FadeToPal` han estat
|
|
// eliminats a Phase B.2: feien un bucle de 32 iteracions amb `JD8_Flip`
|
|
// entre cada una que només funcionava mentre l'entorn tenia fibers i
|
|
// `JD8_Flip` cedia el control al Director. Ara tot fade es fa tick a
|
|
// tick via `scenes::PaletteFade` (que encapsula `JD8_FadeStartOut` /
|
|
// `JD8_FadeStartToPal` + `JD8_FadeTickStep`).
|