things

CMakeLists.txt

@@ -14,9 +14,11 @@ file(GLOB CLIENT_SRC client/*.c)
 
 add_executable(af_server ${SERVER_SRC})
 add_executable(af_client ${CLIENT_SRC})
+add_executable(af_dumpfont tools/af_dumpfont.c external/stb/stb_image_write.c)
 
-target_include_directories(af_server PRIVATE include ${CMAKE_CURRENT_BINARY_DIR})
-target_include_directories(af_client PRIVATE include ${CMAKE_CURRENT_BINARY_DIR})
+target_include_directories(af_server PRIVATE include external/stb ${CMAKE_CURRENT_BINARY_DIR})
+target_include_directories(af_client PRIVATE include external/stb ${CMAKE_CURRENT_BINARY_DIR})
+target_include_directories(af_dumpfont PRIVATE include external/stb ${CMAKE_CURRENT_BINARY_DIR})
 
 target_compile_definitions(af_server PRIVATE AF_SERVER)
 target_compile_definitions(af_client PRIVATE AF_CLIENT)
@@ -24,16 +26,28 @@ target_compile_definitions(af_client PRIVATE AF_CLIENT)
 target_link_libraries(af_server PRIVATE fishsoup)
 target_link_libraries(af_client PRIVATE fishsoup Mw glad)
 
+if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
+	target_link_libraries(af_client PRIVATE glu32)
+else()
+	find_package(PkgConfig)
+	pkg_check_modules(GLU REQUIRED glu)
+	target_compile_options(af_client PRIVATE ${GLU_CFLAGS_OTHER})
+	target_include_directories(af_client PRIVATE ${GLU_INCLUDE_DIRS})
+	target_link_options(af_client PRIVATE ${GLU_LDFLAGS_OTHER})
+	target_link_directories(af_client PRIVATE ${GLU_LIBRARY_DIRS})
+	target_link_libraries(af_client PRIVATE ${GLU_LIBRARIES} m)
+endif()
+
 configure_file(include/af_config.h.in af_config.h)
 
 install(
-	TARGETS af_server af_client
+	TARGETS af_server af_client af_dumpfont
 	RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
 	LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
 	ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
 )
 
 install(
-	FILES logo.png
+	FILES resource/logo.png resource/font.png
 	DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/assaultfish
 )

client/gl.c

@@ -1,8 +1,41 @@
 #include <af_common.h>
 
-void gl_init(void){
+double gl_cam_lr = 0;
+double gl_cam_ud = 0;
+double gl_cam_x;
+double gl_cam_y;
+double gl_cam_z;
+
+int gl_scene = AF_SCENE_MAIN;
+
+gl_scene_t gl_scenes[] = {
+    {gl_main_init, gl_main_draw}};
+
+void gl_resize(int width, int height) {
+	glViewport(0, 0, width, height);
 }
 
-void gl_render(void){
-	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+void gl_init(void) {
+	glEnable(GL_DEPTH_TEST);
+	glEnable(GL_BLEND);
+
+	glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
+
+	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+}
+
+void gl_render(void) {
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+	gl_scenes[gl_scene].init();
+
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+	gluPerspective(60, (double)MwGetInteger(opengl, MwNwidth) / MwGetInteger(opengl, MwNheight), 0.01, 100);
+
+	glMatrixMode(GL_MODELVIEW);
+	glLoadIdentity();
+	gluLookAt(gl_cam_x, gl_cam_y, gl_cam_z, gl_cam_x + cos(gl_cam_lr / 180.0 * M_PI), gl_cam_y + sin(gl_cam_ud / 180.0 * M_PI), gl_cam_z + sin(gl_cam_lr / 180.0 * M_PI), 0, 1, 0);
+
+	gl_scenes[gl_scene].draw();
 }

client/gl_main.c

@@ -0,0 +1,35 @@
+#include <af_common.h>
+
+void gl_main_init(void) {
+	gl_cam_x = 0;
+	gl_cam_y = 0;
+	gl_cam_z = -1;
+
+	gl_cam_lr = 90;
+	gl_cam_ud = 0;
+}
+
+void gl_main_draw(void) {
+	int	      i;
+	static double r = 0;
+
+	glDisable(GL_DEPTH_TEST);
+	glPushMatrix();
+	glRotatef(r, 1, 0, 0);
+	glRotatef(r, 0, 1, 0);
+	glRotatef(r, 0, 0, 1);
+	glBegin(GL_TRIANGLES);
+	for(i = 0; i < 8; i++) {
+		double r = i * 90 / 180.0 * M_PI;
+		int    c = ((i + (i / 4)) % 2) == 0 ? 1 : 0;
+		glColor4f(c ? 0.75 : 0, 0, c ? 0 : 0.75, 0.5);
+		glVertex3f(0, (i > 3 ? -1 : 1) * 0.5, 0);
+		glVertex3f(cos(r) / 2, 0, sin(r) / 2);
+		glVertex3f(cos(r + 90 / 180.0 * M_PI) / 2, 0, sin(r + 90 / 180.0 * M_PI) / 2);
+	}
+	glEnd();
+	glPopMatrix();
+	glEnable(GL_DEPTH_TEST);
+
+	r += 1;
+}

client/main.c

@@ -2,11 +2,11 @@
 
 MwWidget root, window, opengl;
 
-static const MwRect sizes[] ={
-	{0, 0, 640, 480},
-	{0, 0, 800, 600},
-	{0, 0, 1024, 768},
-	{0, 0, 1280, 1024},
+static const MwRect sizes[] = {
+    {0, 0, 640, 480},
+    {0, 0, 800, 600},
+    {0, 0, 1024, 768},
+    {0, 0, 1280, 1024},
 };
 
 static void resize(MwWidget handle, void* user, void* client) {
@@ -18,7 +18,7 @@ static void resize(MwWidget handle, void* user, void* client) {
 		  MwNheight, wh,
 		  NULL);
 
-	glViewport(0, 0, ww, wh);
+	gl_resize(ww, wh);
 }
 
 static void tick(MwWidget handle, void* user, void* client) {
@@ -31,10 +31,16 @@ static void* gl_load(const char* name) {
 	return MwOpenGLGetProcAddress(opengl, name);
 }
 
+void scene_change(int scene) {
+	gl_scene = scene;
+
+	ui_scene();
+}
+
 int main(int argc, char** argv) {
 	MwSizeHints sh;
-	MwRect rc;
-	int i;
+	MwRect	    rc;
+	int	    i;
 
 	MwLibraryInit();
 
@@ -48,29 +54,29 @@ int main(int argc, char** argv) {
 
 	MwGetScreenSize(window, &rc);
 
-	for(i = sizeof(sizes) / sizeof(sizes[0]) - 1; i >= 0; i--){
-		if(sizes[i].width < rc.width && sizes[i].height < rc.height){
+	for(i = sizeof(sizes) / sizeof(sizes[0]) - 1; i >= 0; i--) {
+		if(sizes[i].width < rc.width && sizes[i].height < rc.height) {
 			sh.min_width = sh.max_width = sizes[i].width;
 			sh.min_height = sh.max_height = sizes[i].height;
 			break;
 		}
 	}
 
-	for(i = 1; i < argc; i++){
-		if(strcmp(argv[i], "--width") == 0 && (i + 1) < argc){
+	for(i = 1; i < argc; i++) {
+		if(strcmp(argv[i], "--width") == 0 && (i + 1) < argc) {
 			sh.min_width = sh.max_width = atoi(argv[i + 1]);
-		}else if(strcmp(argv[i], "--height") == 0 && (i + 1) < argc){
+		} else if(strcmp(argv[i], "--height") == 0 && (i + 1) < argc) {
 			sh.min_height = sh.max_height = atoi(argv[i + 1]);
 		}
 	}
 
 	MwVaApply(window,
-		MwNsizeHints, &sh,
-		MwNx, (rc.width - sh.max_width) / 2,
-		MwNy, (rc.height - sh.max_height) / 2,
-		MwNwidth, sh.max_width,
-		MwNheight, sh.max_height,
-	NULL);
+		  MwNsizeHints, &sh,
+		  MwNx, (rc.width - sh.max_width) / 2,
+		  MwNy, (rc.height - sh.max_height) / 2,
+		  MwNwidth, sh.max_width,
+		  MwNheight, sh.max_height,
+		  NULL);
 
 	opengl = MwCreateWidget(MwOpenGLClass, "opengl", window, 0, 0, sh.max_width, sh.max_height);
 
@@ -83,6 +89,8 @@ int main(int argc, char** argv) {
 	gl_init();
 	ui_init();
 
+	scene_change(AF_SCENE_MAIN);
+
 	MwAddUserHandler(window, MwNresizeHandler, resize, NULL);
 	MwAddUserHandler(root, MwNtickHandler, tick, NULL);
 

client/ui.c

@@ -1,78 +1,91 @@
 #include <af_common.h>
 
-MwWidget ui_notice(int width, int height){
-	if(width == 0 && height == 0){
-		width = 400;
+MwWidget ui_notice(int width, int height) {
+	if(width == 0 && height == 0) {
+		width  = 400;
 		height = 300;
 	}
 
 	return MwVaCreateWidget(MwFrameClass, "notice", window, (MwGetInteger(window, MwNwidth) - width) / 2, (MwGetInteger(window, MwNheight) - height) / 2, width, height,
-		MwNhasBorder, 1,
-		MwNinverted, 0,
-	NULL);
+				MwNhasBorder, 1,
+				MwNinverted, 0,
+				NULL);
 }
 
-void ui_notice_destroy(MwWidget widget){
+void ui_notice_destroy(MwWidget widget) {
 	MwDestroyWidget(widget);
 }
 
-static void ui_login(void){
-	MwWidget wnd = ui_notice(0, 0);
-	int bw = MwDefaultBorderWidth(wnd);
-	MwWidget join = MwVaCreateWidget(MwButtonClass, "join", wnd, MwGetInteger(wnd, MwNwidth) - bw - 10 - 96, MwGetInteger(wnd, MwNheight) - bw - 10 - 24, 96, 24,
-		MwNtext, "Join",
-	NULL);
-	MwWidget box = MwVaCreateWidget(MwBoxClass, "box", wnd, bw, bw, MwGetInteger(wnd, MwNwidth) - bw * 2, MwGetInteger(wnd, MwNheight) - bw * 2 - 10 - 24,
-		MwNorientation, MwVERTICAL,
-		MwNmargin, 10,
-		MwNpadding, 10,
-	NULL);
-	MwWidget icon = MwVaCreateWidget(MwImageClass, "icon", box, 0, 0, 0, 0,
-		MwNfillArea, 0,
-		MwNfixedSize, 100,
-	NULL);
-	MwWidget entrybox[3];
-	MwLLPixmap px = MwLoadImage(wnd, DATAROOTDIR "/assaultfish/logo.png");
+static void ui_login_join(MwWidget handle, void* user, void* client) {
+	MwLLDestroyPixmap(MwGetVoid(user, MwNpixmap));
+	ui_notice_destroy(user);
+}
+
+static void ui_login(void) {
+	MwWidget    wnd	 = ui_notice(0, 0);
+	int	    bw	 = MwDefaultBorderWidth(wnd);
+	MwWidget    join = MwVaCreateWidget(MwButtonClass, "join", wnd, MwGetInteger(wnd, MwNwidth) - bw - 10 - 96, MwGetInteger(wnd, MwNheight) - bw - 10 - 24, 96, 24,
+					    MwNtext, "Join",
+					    NULL);
+	MwWidget    box	 = MwVaCreateWidget(MwBoxClass, "box", wnd, bw, bw, MwGetInteger(wnd, MwNwidth) - bw * 2, MwGetInteger(wnd, MwNheight) - bw * 2 - 10 - 24,
+					    MwNorientation, MwVERTICAL,
+					    MwNmargin, 10,
+					    MwNpadding, 10,
+					    NULL);
+	MwWidget    icon = MwVaCreateWidget(MwImageClass, "icon", box, 0, 0, 0, 0,
+					    MwNfillArea, 0,
+					    MwNfixedSize, 100,
+					    NULL);
+	MwWidget    entrybox[3];
+	MwLLPixmap  px	      = MwLoadImage(wnd, DATAROOTDIR "/assaultfish/logo.png");
 	const char* labels[3] = {
-		"Username",
-		"Hostname",
-		"Port"
-	};
+	    "Username",
+	    "Hostname",
+	    "Port"};
 	const char* entries[3] = {
-		"JohnDoe",
-		"127.0.0.1",
-		"",
+	    "JohnDoe",
+	    "127.0.0.1",
+	    "",
 	};
-	int i;
+	int  i;
 	char buf[16];
 
 	sprintf(buf, "%d", AF_DEFAULT_PORT);
 
 	entries[2] = buf;
 
-	for(i = 0; i < 3; i++){
+	for(i = 0; i < 3; i++) {
 		entrybox[i] = MwVaCreateWidget(MwBoxClass, "entrybox", box, 0, 0, 0, 0,
-			MwNfixedSize, 24,
-			MwNmargin, 10,
-		NULL);
-		MwVaCreateWidget(MwLabelClass, "label", entrybox[i], 0, 0, 0, 0, 
-			MwNfixedSize, 100,
-			MwNtext, labels[i],
-			MwNalignment, MwALIGNMENT_END,
-		NULL);
+					       MwNfixedSize, 24,
+					       MwNmargin, 10,
+					       NULL);
+		MwVaCreateWidget(MwLabelClass, "label", entrybox[i], 0, 0, 0, 0,
+				 MwNfixedSize, 100,
+				 MwNtext, labels[i],
+				 MwNalignment, MwALIGNMENT_END,
+				 NULL);
 		MwVaCreateWidget(MwEntryClass, "entry", entrybox[i], 0, 0, 0, 0,
-			MwNtext, entries[i],
-		NULL);
+				 MwNtext, entries[i],
+				 NULL);
 	}
 
 	MwVaApply(icon,
-		MwNpixmap, px,
-	NULL);
+		  MwNpixmap, px,
+		  NULL);
 
+	MwVaApply(wnd,
+		  MwNpixmap, px,
+		  NULL);
+
+	MwAddUserHandler(join, MwNactivateHandler, ui_login_join, wnd);
 }
 
-void ui_init(void){
+void ui_scene(void) {
+	if(gl_scene == AF_SCENE_MAIN) {
+		ui_login();
+	}
+}
+
+void ui_init(void) {
 	MwToggleDarkTheme(root, 1);
-
-	ui_login();
 }

external/stb/stb_ds.c

@@ -0,0 +1,2 @@
+#define STB_DS_IMPLEMENTATION
+#include <stb_ds.h>

external/stb/stb_image.c

@@ -0,0 +1,2 @@
+#define STB_IMAGE_IMPLEMENTATION
+#include <stb_image.h>

external/stb/stb_image_write.c

@@ -0,0 +1,2 @@
+#define STB_IMAGE_WRITE_IMPLEMENTATION
+#include <stb_image_write.h>

format.sh

@@ -1,2 +1,2 @@
 #!/bin/sh
-clang-format --verbose -i `find include server client -name "*.c" -or -name "*.h"`
+clang-format --verbose -i `find include server client tools -name "*.c" -or -name "*.h"`

include/af_client.h

@@ -5,16 +5,43 @@
 #include <Mw/Milsko.h>
 #include <Mw/Widget/OpenGL.h>
 
+#include <GL/glu.h>
+
+enum AF_SCENES {
+	AF_SCENE_MAIN = 0
+};
+
 /* main.c */
 extern MwWidget root, window, opengl;
 
+void scene_change(int scene);
+
 /* gl.c */
+typedef struct gl_scene {
+	void (*init)(void);
+	void (*draw)(void);
+} gl_scene_t;
+
+extern int	  gl_scene;
+extern gl_scene_t gl_scenes[];
+extern double	  gl_cam_lr;
+extern double	  gl_cam_ud;
+extern double	  gl_cam_x;
+extern double	  gl_cam_y;
+extern double	  gl_cam_z;
+
 void gl_init(void);
 void gl_render(void);
+void gl_resize(int width, int height);
+
+/* gl_main.c */
+void gl_main_init(void);
+void gl_main_draw(void);
 
 /* ui.c */
 MwWidget ui_notice(int width, int height);
-void ui_notice_destroy(MwWidget widget);
-void ui_init(void);
+void	 ui_notice_destroy(MwWidget widget);
+void	 ui_init(void);
+void	 ui_scene(void);
 
 #endif

tools/af_dumpfont.c

@@ -0,0 +1,72 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <stb_image_write.h>
+
+#define CHECK(s) ((linelen > strlen(s)) && memcmp(line, s, strlen(s)) == 0)
+
+int main() {
+	char*	       line = NULL;
+	size_t	       linesize;
+	ssize_t	       linelen;
+	int	       iw, ih;
+	unsigned char* font = NULL;
+	int	       c;
+	int	       p = 0;
+	int	       y = 0;
+	int	       w, h;
+
+	while((linelen = getline(&line, &linesize, stdin)) != -1) {
+		linelen--;
+
+		line[linelen] = 0;
+
+		if(CHECK("FONTBOUNDINGBOX ")) {
+			sscanf(line, "FONTBOUNDINGBOX %d %d", &w, &h);
+			printf("%dx%d font\n", w, h);
+
+			if(font != NULL) free(font);
+
+			iw   = w * 16;
+			ih   = h * 16;
+			font = malloc(iw * ih * 4);
+			memset(font, 0, iw * ih * 4);
+		} else if(CHECK("ENCODING ")) {
+			sscanf(line, "ENCODING %d", &c);
+		} else if(strcmp(line, "BITMAP") == 0) {
+			p = 1;
+			y = 0;
+		} else if(strcmp(line, "ENDCHAR") == 0) {
+			p = 0;
+		} else if(p && y < h) {
+			int bx = c % 16;
+			int by = c / 16;
+			int i;
+			int n = 0;
+
+			for(i = 0; i < w; i++) {
+				if((i % 4) == 0) {
+					char buf[2];
+
+					buf[0] = line[i / 4];
+					buf[1] = 0;
+
+					n = strtol(buf, NULL, 16);
+				}
+
+				if(n & (1 << 3)) {
+					unsigned char* px = &font[((by * h + y) * iw + bx * w + i) * 4];
+					memset(px, 255, 4);
+				}
+
+				n = n << 1;
+			}
+
+			y++;
+		}
+	}
+
+	if(font != NULL) stbi_write_png("font.png", iw, ih, 4, font, 0);
+	return 0;
+}