From a006ec06d4c08c8e055bd847981c84103e2a199b Mon Sep 17 00:00:00 2001
From: Pixel <Pixel>
Date: Mon, 7 Oct 2002 00:35:31 +0000
Subject: Interactive texture thing.

---
 ffx-convert.cpp | 120 ++++++++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 103 insertions(+), 17 deletions(-)

(limited to 'ffx-convert.cpp')

diff --git a/ffx-convert.cpp b/ffx-convert.cpp
index 45bc314..8ad0059 100644
--- a/ffx-convert.cpp
+++ b/ffx-convert.cpp
@@ -1,15 +1,14 @@
 #include <unistd.h>
+#include <SDL/SDL.h>
 #include "generic.h"
 #include "Main.h"
 #include "Image.h"
 #include "Input.h"
 #include "Output.h"
 
-#define IMG_SX 256
-#define IMG_SY 256
+int IMG_SX = 128, IMG_SY = 128, BLOC_SX = 128, BLOC_SY = 128;
 
-#define BLOC_SX 16
-#define BLOC_SY 8
+int do_swap = 0;
 
 CODE_BEGINS
 
@@ -19,7 +18,6 @@ Color LookUp(char i) {
 
 int transform(int x, int y) {
 
-/*
     int numero_bloc_x = x / BLOC_SX;
     int numero_bloc_y = y / BLOC_SY;
     
@@ -29,17 +27,35 @@ int transform(int x, int y) {
     int by = y % BLOC_SY;
     
     return numero_bloc * BLOC_SX * BLOC_SY + by * BLOC_SX + bx;
-*/
 
-    return y * IMG_SX + x;
+//    return y * IMG_SX + x;
 
 }
 
 virtual int startup() throw (GeneralException) {
     int c;
     
-    while ((c = getopt(argc, argv, "")) != EOF) {
+    if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER) < 0) {
+	printm(M_ERROR, "Couldn't initialise SDL: %s\n", SDL_GetError());
+	exit(-1);
+    }
+    atexit(SDL_Quit);
+    SDL_ShowCursor(SDL_DISABLE);
+    
+    while ((c = getopt(argc, argv, "x:y:z:t:")) != EOF) {
 	switch (c) {
+	case 'x':
+	    IMG_SX = atoi(optarg);
+	    break;
+	case 'y':
+	    IMG_SY = atoi(optarg);
+	    break;
+	case 'z':
+	    BLOC_SX = atoi(optarg);
+	    break;
+	case 't':
+	    BLOC_SY = atoi(optarg);
+	    break;
 	default:
 	    printm(M_ERROR, "Unknow option: %c\n", c);
 	    throw Exit(-1);
@@ -55,25 +71,93 @@ virtual int startup() throw (GeneralException) {
     Output * tga = new Output(argv[optind + 1]);
     Image * img = new Image(IMG_SX, IMG_SY);
     
-    map->seek(0x140);
-    
-    char buffer[65536];
+    char buffer[131072];
     
     Byte b;
 
-/*    
-    for (int i = 0; i < 32768; i++) {
+    for (int i = 0; i < ((IMG_SX * IMG_SY) >> 1); i++) {
 	int j = i << 1;
 	map->read(&b, 1);
 	buffer[j] = b & 0x0f;
 	buffer[j + 1] = (b & 0xf0) >> 4;
     }
-*/
-    for (int i = 0; i < 65536; i++) {
-	map->read(&b, 1);
-	buffer[i] = b;
+
+    SDL_Surface * screen = 0;
+    screen = SDL_SetVideoMode(IMG_SX * 2, IMG_SY * 2, 24, SDL_HWSURFACE | SDL_DOUBLEBUF);
+    if (!screen) {
+	printm(M_ERROR, "Couldn't get framebuffer\n");
+	exit(-1);
     }
     
+    SDL_Event event;
+    
+    bool exitting = false;
+    
+    while (!exitting) {
+	Uint8 * pixels = ((Uint8 *) screen->pixels);
+	for (int y = 0; y < IMG_SX; y++) {
+	    for (int x = 0; x < IMG_SY; x++) {
+		Color c = LookUp(buffer[transform(x, y)]);
+		pixels[((x * 2 + 0) * IMG_SY * 2 + (y * 2 + 0)) * 3 + 0] = c.R;
+		pixels[((x * 2 + 0) * IMG_SY * 2 + (y * 2 + 0)) * 3 + 1] = c.G;
+		pixels[((x * 2 + 0) * IMG_SY * 2 + (y * 2 + 0)) * 3 + 2] = c.B;
+
+		pixels[((x * 2 + 0) * IMG_SY * 2 + (y * 2 + 1)) * 3 + 0] = c.R;
+		pixels[((x * 2 + 0) * IMG_SY * 2 + (y * 2 + 1)) * 3 + 1] = c.G;
+		pixels[((x * 2 + 0) * IMG_SY * 2 + (y * 2 + 1)) * 3 + 2] = c.B;
+
+		pixels[((x * 2 + 1) * IMG_SY * 2 + (y * 2 + 0)) * 3 + 0] = c.R;
+		pixels[((x * 2 + 1) * IMG_SY * 2 + (y * 2 + 0)) * 3 + 1] = c.G;
+		pixels[((x * 2 + 1) * IMG_SY * 2 + (y * 2 + 0)) * 3 + 2] = c.B;
+
+		pixels[((x * 2 + 1) * IMG_SY * 2 + (y * 2 + 1)) * 3 + 0] = c.R;
+		pixels[((x * 2 + 1) * IMG_SY * 2 + (y * 2 + 1)) * 3 + 1] = c.G;
+		pixels[((x * 2 + 1) * IMG_SY * 2 + (y * 2 + 1)) * 3 + 2] = c.B;
+
+	    }
+	}
+	
+	SDL_Flip(screen);
+	
+	SDL_WaitEvent(&event);
+	
+	switch (event.type) {
+	case SDL_KEYDOWN:
+	    switch (event.key.keysym.sym) {
+	    case SDLK_UP:
+		BLOC_SY >>= 1;
+		break;
+	    case SDLK_DOWN:
+		BLOC_SY <<= 1;
+		break;
+	    case SDLK_LEFT:
+		BLOC_SX >>= 1;
+		break;
+	    case SDLK_RIGHT:
+		BLOC_SX <<= 1;
+		break;
+	    case SDLK_SPACE:
+		do_swap ^= 1;
+		break;
+	    default:
+		break;
+	    }
+	    if (BLOC_SX == 0)
+		BLOC_SX = 1;
+	    if (BLOC_SY == 0)
+		BLOC_SY = 1;
+	    if (BLOC_SX > IMG_SX)
+		BLOC_SX = IMG_SX;
+	    if (BLOC_SY > IMG_SY)
+		BLOC_SY = IMG_SY;
+	    printm(M_BARE, "Bloc size = %3ix%3i\n", BLOC_SX, BLOC_SY);
+	    break;
+	case SDL_QUIT:
+	    exitting = true;
+	    break;
+	}
+    }
+
     img->Fill();
 
     for (int y = 0; y < IMG_SX; y++) {
@@ -86,6 +170,8 @@ virtual int startup() throw (GeneralException) {
     
     copy(img, tga);
     
+    SDL_Quit();
+    
     return 0;
 }
 
-- 
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