Added code to save to pcx (for testing and when the screenshot option is

added).  Unsuccessful attempts to fix glx.

src/IDEAS

@@ -3,11 +3,7 @@
 * A key to change viewsize while playing (note: max == 20, min == 5 or so...)
 * Game able to cope at any virtual resolution in software mode. OpenGL
   handles this transparently
-* Audio support using OpenAL
-  - Problem is, that SDL and OpenAL would need pthread, which with SVGAlib is
-    a no-go... oh well. Using DGA (if possible at 320x200) would fulfill the
-    desire for full screen mode, and SVGAlib users can deal with some sort
-    hackish sound support.
+* Audio support using OpenAL (somewhat decently supported at the moment)
 * Add support for the Mac version, if possible
 * Network support!
 * Fully compile with no warnings/errors using -Wall -ansi -pedantic and with
@@ -22,7 +18,8 @@
   code
 * Have some sort of way of playing both digital and adlib sounds on all
   platforms
-* Test with other (compatible) available mods
+* Test with other available mods (that were compatible with the original
+  game)
 * Unified input handling
 * Configuration files and save games which work regardless of operating
   system/processor/binary build

src/Makefile

@@ -9,7 +9,7 @@ CFLAGS = -g -Wall -I/home/relnev/cvs/oal/include
 OBJS = objs.o misc.o id_ca.o id_vh.o id_us.o \
 	wl_act1.o wl_act2.o wl_agent.o wl_game.o \
 	wl_inter.o wl_menu.o wl_play.o wl_state.o wl_text.o wl_main.o \
-	wl_debug.o sd_oal.o # sd_null.o
+	wl_debug.o gfxsave.o sd_oal.o # sd_null.o
 ROBJS = wl_draw.o wl_scale.o
 SOBJS = $(OBJS) $(ROBJS) vi_svga.o
 XOBJS = $(OBJS) $(ROBJS) vi_xlib.o

src/gfxsave.c

+#include <stdio.h>
+#include <stdlib.h>
+
+#define PACKED __attribute__((packed))
+
+typedef struct pcx_header_type
+{
+        char manufacturer;
+        char version;
+        char encoding;
+        char bits_per_pixel;
+        short int x, y;
+        short int width, height;
+        short int horz_res;
+        short int virt_res;
+        char ega_palette[48];
+        char reserved;
+        char num_color_planes;
+        short int byte_per_line;
+        short int palette_type;
+        short int hscreen_size;
+        short int vscreen_size; 
+        char padding[54];
+} PACKED pcx_header, *pcx_header_ptr;
+	
+void SavePCX256ToFile(unsigned char *buf, int width, int height, unsigned char *pal, char *name)
+{
+	FILE *fp;
+	pcx_header ph;
+	unsigned char *dat, *ptr, *ptrd, ch;
+	int x, y, z;
+
+	ph.manufacturer		= 10;
+	ph.version		= 5;
+	ph.encoding		= 1;
+	ph.bits_per_pixel	= 8;
+	ph.x = ph.y		= 0;
+	ph.width		= width - 1;
+	ph.height		= height - 1;
+	ph.horz_res = ph.virt_res = 0;
+	for (x = 0; x < sizeof(ph.ega_palette); x++) 
+		ph.ega_palette[x] = 0;
+	ph.reserved		= 0;
+	ph.num_color_planes	= 1;
+	ph.byte_per_line	= width;
+	ph.palette_type		= 1;
+	ph.hscreen_size		= width;
+	ph.vscreen_size		= height;
+	for (x = 0; x < sizeof(ph.padding); x++)
+		ph.padding[x] = 0;
+
+#if 0
+	dat = malloc(width * height * 2);
+	for (x = 0; x < width * height; x++) {
+		*(dat + x*2) = 0xC1;
+		*(dat + x*2+1) = *(buf + x);
+	} 
+	z = width * height * 2;
+#else
+	dat = malloc(width * height * 2);
+	ptr = buf; ptrd = dat;
+	x = 0; z = 0;
+	while (x < width * height) {
+		ch = *ptr;
+		ptr++;
+		x++;
+		y = 0xC1;
+		while((x < width * height) && (*ptr == ch) && (y < 0xFF)) {
+			x++; y++; ptr++;
+		}
+		*ptrd = y;
+		ptrd++;
+		*ptrd = ch;
+		ptrd++;
+		z += 2;
+	}
+#endif
+	
+	fp = fopen(name, "w");	
+	fwrite(&ph, sizeof(ph), 1, fp);
+	fwrite(dat, 1, z, fp);
+	fputc(12, fp);
+	fwrite(pal, 1, 768, fp);
+	fclose(fp);
+	
+	free(dat);	
+}
+
+void SavePCXRGBToFile(unsigned char *buf, int width, int height, char *name)
+{
+	FILE *fp;
+	pcx_header ph;
+	unsigned char *dat;
+	int x, y, s;
+	
+	memset(&ph, 0, sizeof(ph));
+	ph.manufacturer 	= 10;
+	ph.version 		= 5;
+	ph.encoding		= 1;
+	ph.bits_per_pixel 	= 8;
+	ph.x = ph.y 		= 0;
+	ph.width		= width - 1;
+	ph.height		= height - 1;
+	ph.horz_res = ph.virt_res = 0;
+	ph.num_color_planes 	= 3;
+	ph.byte_per_line 	= width;
+	ph.palette_type 	= 1;
+	ph.hscreen_size 	= width;
+	ph.vscreen_size 	= height;
+
+	dat = malloc(width * height * 2 * 3);
+	for (y = 0; y < height; y++) {
+		for (s = 0; s < 3; s++) {
+			for (x = 0; x < width; x++) {
+				*(dat + (y*(width*3) + (width*s) + x)*2) = 0xC1;
+				*(dat + (y*(width*3) + (width*s) + x)*2+1) = *(buf + y*(width*3) + x*3 + s);
+			}
+		}
+	}
+	
+	fp = fopen(name, "w");	
+	fwrite(&ph, sizeof(ph), 1, fp);
+	fwrite(dat, 1, width * height * 2 * 3, fp);
+	fclose(fp);
+	
+	free(dat);
+}

src/id_vh.c

@@ -224,7 +224,7 @@ void VL_FadeOut(int start, int end, int red, int green, int blue, int steps)
 =================
 */
 
-void VL_FadeIn(int start, int end, byte *palette, int steps)
+void VL_FadeIn(int start, int end, const byte *palette, int steps)
 {
 	int		i,j,delta;
 

src/id_vh.h

@@ -49,7 +49,7 @@ void VW_DrawPropString(char *string);
 boolean FizzleFade(unsigned xoffset, unsigned yoffset, unsigned width,unsigned height, unsigned frames,boolean abortable);
 
 void VL_FadeOut(int start, int end, int red, int green, int blue, int steps);
-void VL_FadeIn(int start, int end, byte *palette, int steps);
+void VL_FadeIn(int start, int end, const byte *palette, int steps);
 
 void LatchDrawPic(unsigned x, unsigned y, unsigned picnum);
 void LoadLatchMem(void);

src/misc.h

@@ -4,6 +4,9 @@
 extern int _argc;
 extern char **_argv;
 
+void SavePCX256ToFile(unsigned char *buf, int width, int height, unsigned char *pal, char *name);
+void SavePCXRGBToFile(unsigned char *buf, int width, int height, char *name);
+
 void set_TimeCount(unsigned long t);
 unsigned long get_TimeCount();
 

src/vi_comm.h

@@ -14,7 +14,7 @@ void VL_WaitVBL(int vbls);
 void VW_UpdateScreen();
 
 void VL_FillPalette(int red, int green, int blue);
-void VL_SetPalette(byte *palette);
+void VL_SetPalette(const byte *palette);
 void VL_GetPalette(byte *palette);
 
 void VL_Plot(int x, int y, int color);

src/vi_glx.c

@@ -29,8 +29,8 @@ int attrib[] = {
 	GLX_RED_SIZE,           5,
 	GLX_GREEN_SIZE,         5,
 	GLX_BLUE_SIZE,          5,
-	GLX_DEPTH_SIZE,         16,
-//	GLX_DOUBLEBUFFER,
+//	GLX_DEPTH_SIZE,         16,
+	GLX_DOUBLEBUFFER,
         None
 };
 
@@ -84,7 +84,7 @@ int main(int argc, char *argv[])
 		printf("GLX_EXTENSIONS: %s\n", glXQueryExtensionsString(dpy, DefaultScreen(dpy)));
 	}
 	
-	vi = glXChooseVisual(dpy, DefaultScreen(dpy), attrib);
+	vi = glXChooseVisual(dpy, screen, attrib);
 	
 	if (vi == NULL) {
 		Quit("No suitable GL visual found!");
@@ -99,10 +99,11 @@ int main(int argc, char *argv[])
 	cmap = XCreateColormap(dpy, root, vi->visual, AllocNone);
 	                      	
 	attr.colormap = cmap;		   
+	attr.background_pixel = BlackPixel(dpy, screen);
 	attr.event_mask = KeyPressMask | KeyReleaseMask | ExposureMask |
 			  StructureNotifyMask;
-	attrmask = CWColormap | CWEventMask;
-	win = XCreateWindow(dpy, root, 0, 0, 320, 200, 0, CopyFromParent, 
+	attrmask = CWColormap | CWEventMask | CWBackPixel;
+	win = XCreateWindow(dpy, root, 0, 0, 320, 200, 0, vi->depth, 
 			    InputOutput, vi->visual, attrmask, &attr);
 	
 	if (win == None) {
@@ -132,10 +133,12 @@ int main(int argc, char *argv[])
 	cursor = XCreatePixmapCursor(dpy, bitmap, bitmap, &fg, &bg, 0, 0);
 	XDefineCursor(dpy, win, cursor);
 	
-	XFlush(dpy);
-	
 	glXMakeCurrent(dpy, win, ctx);
 	
+	XMapWindow(dpy, win);
+	
+	XFlush(dpy);
+		
 	printf("GL Library:\n");
 	printf("GL_VENDOR: %s\n", glGetString(GL_VENDOR));
 	printf("GL_RENDERER: %s\n", glGetString(GL_RENDERER));
@@ -173,7 +176,7 @@ void VL_Startup()
 	if (gfxbuf == NULL) 
 		gfxbuf = malloc(320 * 200 * 1);
 				   
-	XMapWindow(dpy, win);
+//	XMapWindow(dpy, win);
 	
 	glColor4f(0.0f, 0.0f, 0.0f, 0.0f);
 	glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
@@ -184,6 +187,11 @@ void VL_Startup()
 	glLoadIdentity();
 	glMatrixMode(GL_MODELVIEW);
 	glLoadIdentity();
+	glMatrixMode(GL_TEXTURE);
+	glLoadIdentity();
+	
+	glDisable(GL_CULL_FACE);
+	glDisable(GL_DEPTH_TEST);
 	
 	Init3D();		
 }
@@ -254,7 +262,7 @@ void VL_FillPalette(int red, int green, int blue)
 =================
 */
 
-void VL_SetPalette(byte *palette)
+void VL_SetPalette(const byte *palette)
 {
 }
 

src/vi_ogl.c

@@ -91,8 +91,8 @@ byte *Pal_256_RGBA(byte *source)
 	return dest;
 }
 	
-int *sprtex, sprcount;
-int *waltex, walcount;
+GLuint *sprtex, sprcount;
+GLuint *waltex, walcount;
 
 void Init3D()
 {
@@ -101,14 +101,18 @@ void Init3D()
 	printf("start init\n");
 	
 	walcount = PMSpriteStart;
-	waltex = (int *)malloc(sizeof(int) * walcount);
+	waltex = (int *)malloc(sizeof(GLuint) * walcount);
 	sprcount = PMSoundStart - PMSpriteStart;
-	sprtex = (int *)malloc(sizeof(int) * sprcount);
+	sprtex = (int *)malloc(sizeof(GLuint) * sprcount);
 	
+	printf("creating %d walls, %d sprites\n", walcount, sprcount);
+		
+	walcount = 2;
+	sprcount = 2;
 	glGenTextures(walcount, waltex);
 	glGenTextures(sprcount, sprtex);
 		
-	for (i = 0; i < 2 /*walcount*/; i++) {
+	for (i = 0; i < walcount; i++) {
 		glBindTexture(GL_TEXTURE_2D, waltex[i]);
 	        glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
 		glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
@@ -118,7 +122,7 @@ void Init3D()
 		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 64, 64, 0, GL_RGB, GL_UNSIGNED_BYTE, Pal_256_RGB(PM_GetPage(i)));
 	}
 	
-	for (i = 0; i < 2 /*sprcount*/; i++) {
+	for (i = 0; i < sprcount; i++) {
 		glBindTexture(GL_TEXTURE_2D, sprtex[i]);
 		glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
 		glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
@@ -136,15 +140,18 @@ void SetupScaling(int maxheight)
 }
 
 int weaponscale[NUMWEAPONS] = {SPR_KNIFEREADY,SPR_PISTOLREADY,SPR_MACHINEGUNREADY,SPR_CHAINREADY};
-
+#include <X11/Xlib.h>
+extern Display *dpy;
+extern Window win;
 void DrawPlayerWeapon()
 {
 	int shapenum;
-	
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);	
+	glEnable(GL_TEXTURE_2D);
 	if (gamestate.weapon != -1) {
 		shapenum = weaponscale[gamestate.weapon]+gamestate.weaponframe;
 		
-		glBindTexture(GL_TEXTURE_2D, waltex[0]);
+		glBindTexture(GL_TEXTURE_2D, waltex[1]);
 		glBegin(GL_QUADS);
 		glTexCoord2d(0.0,1.0); glVertex2d(-1.0,-1.0);
 		glTexCoord2d(1.0,1.0); glVertex2d(+1.0,-1.0);
@@ -152,13 +159,14 @@ void DrawPlayerWeapon()
 		glTexCoord2d(0.0,0.0); glVertex2d(-1.0,+1.0);
 		glEnd();                                                                                                		
 	}
+	glXSwapBuffers(dpy, win);	
 }
 
 void ThreeDRefresh()
 {	
 	int error;
 	
-	glViewport(xoffset, yoffset+viewheight, viewwidth, viewheight);
+	//glViewport(xoffset, yoffset+viewheight, viewwidth, viewheight);
 	
 	DrawPlayerWeapon();
 	

src/vi_svga.c

@@ -111,7 +111,7 @@ void VL_FillPalette(int red, int green, int blue)
 =================
 */
 
-void VL_SetPalette(byte *palette)
+void VL_SetPalette(const byte *palette)
 {
 	int i;
 	

src/vi_xlib.c

@@ -458,7 +458,7 @@ void VL_FillPalette(int red, int green, int blue)
 =================
 */
 
-void VL_SetPalette(byte *palette)
+void VL_SetPalette(const byte *palette)
 {
 	int i;
 	

src/wl_main.c

@@ -753,7 +753,7 @@ int MS_CheckParm(char *check)
 			if (!*parm++)
 				break;          // hit end of string without an alphanum
 
-		if ( !strcasecmp(check,parm) )
+		if ( !stricmp(check,parm) )
 			return i;
 	}