X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2F3dengfx%2Fsrc%2Fdsys%2Fcmd.cpp;fp=src%2F3dengfx%2Fsrc%2Fdsys%2Fcmd.cpp;h=c99ff277ddb376e0b8b4d107cfd3da62851c9540;hb=6e23259dbabaeb1711a2a5ca25b9cb421f693759;hp=0000000000000000000000000000000000000000;hpb=fe068fa879814784c45e0cb2e65dac489e8f5594;p=summerhack

diff --git a/src/3dengfx/src/dsys/cmd.cpp b/src/3dengfx/src/dsys/cmd.cpp
new file mode 100644
index 0000000..c99ff27
--- /dev/null
+++ b/src/3dengfx/src/dsys/cmd.cpp
@@ -0,0 +1,171 @@
+/*
+This file is part of 3dengfx demosystem.
+
+Copyright (c) 2004, 2005 John Tsiombikas <nuclear@siggraph.org>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+/* demosystem script controlled commands
+ *
+ * Author: John Tsiombikas 2005
+ */
+
+#include <cassert>
+#include "cmd.hpp"
+#include "script.h"
+#include "dsys.hpp"
+#include "part.hpp"
+#include "fx.hpp"
+#include "common/err_msg.h"
+
+using namespace dsys;
+using namespace cmd;
+
+// command handler prototypes
+static bool start_part(const char *pname, const char **args);
+static bool end_part(const char *pname, const char **args);
+static bool rename_part(const char *pname, const char **args);
+static bool set_render_target(const char *pname, const char **args);
+static bool set_clear(const char *pname, const char **args);
+static bool end(const char *unused, const char **args);
+static bool effect(const char *fxname, const char **args);
+
+static bool (*ftbl[64])(const char*, const char**);
+
+void cmd::register_commands() {
+	ftbl[CMD_START_PART] = start_part;
+	ftbl[CMD_END_PART] = end_part;
+	ftbl[CMD_RENAME_PART] = rename_part;
+	ftbl[CMD_SET_RTARGET] = set_render_target;
+	ftbl[CMD_SET_CLEAR] = set_clear;
+	ftbl[CMD_END] = end;
+	ftbl[CMD_FX] = effect;
+}
+
+bool cmd::command(CommandType cmd_id, const char *pname, const char **args) {
+	assert(ftbl[cmd_id]);
+
+	return ftbl[cmd_id](pname, args);
+}
+
+static bool start_part(const char *pname, const char **args) {
+	Part *part = get_part(pname);
+	if(part) {
+		info("start_part(%s)", pname);
+		start_part(part);
+		return true;
+	}
+	return false;
+}
+
+static bool end_part(const char *pname, const char **args) {
+	Part *part = get_part(pname);
+	if(part) {
+		info("end_part(%s)", pname);
+		stop_part(part);
+		return true;
+	}
+	return false;
+}
+
+static bool rename_part(const char *pname, const char **args) {
+	Part *part = get_part(pname);
+	if(part && args[0]) {
+		info("rename_part(%s, %s)", pname, args[0]);
+		remove_part(part);
+		part->set_name(args[0]);
+		add_part(part);
+		return true;
+	}
+	return false;
+}
+
+static bool set_render_target(const char *pname, const char **args) {
+	Part *part = get_part(pname);
+	if(part && args[0]) {
+		int tnum;
+
+		// check for valid render target specifier (fb, t0, t1, t2, t3)
+		if(!strcmp(args[0], "fb")) {
+			tnum = (int)RT_FB;
+		} else {
+			if(args[0][0] != 't' || !isdigit(args[0][1]) || args[0][2] ||
+				(tnum = atoi(args[0]+1)) < 0 || tnum > 3) {
+				return false;
+			}
+		}
+
+		info("set_rtarg(%s, %s)", pname, args[0]);
+		part->set_target((RenderTarget)tnum);
+		return true;
+	}
+	return false;
+}
+
+static bool set_clear(const char *pname, const char **args) {
+	Part *part = get_part(pname);
+	if(part && args[0]) {
+		bool enable;
+		if(!strcmp(args[0], "true")) {
+			enable = true;
+		} else if(!strcmp(args[0], "false")) {
+			enable = false;
+		} else {
+			return false;
+		}
+
+		info("set_clear(%s, %s)", pname, enable ? "true" : "false");
+		part->set_clear(enable);
+		return true;
+	}
+	return false;
+}
+
+static bool end(const char *unused, const char **args) {
+	if(unused && *unused) return false;
+
+	info("end");
+	end_demo();
+	return true;
+}
+
+static bool effect(const char *fxname, const char **args) {
+	ImageFx *fx;
+	
+	if(!strcmp(fxname, "neg")) {
+		fx = new FxNegative;
+	} else if(!strcmp(fxname, "flash")) {
+		fx = new FxFlash;
+	} else if(!strcmp(fxname, "overlay")) {
+		fx = new FxOverlay;
+	} else if(!strcmp(fxname, "fade")) {
+		fx = new FxFade;
+	} else {
+		error("unknown effect: %s, ignoring", fxname);
+		return false;
+	}
+
+	if(!fx->parse_script_args(args)) {
+		error("fx(%s): invalid syntax", fxname);
+		delete fx;
+		return false;
+	}
+
+	info("fx(%s)", fxname);
+	add_image_fx(fx);
+
+	return true;
+}