Initial commit

src/menu.cpp

@@ -0,0 +1,229 @@
+#include "SDL.h"
+#include "SDL_opengl.h"
+#include <AL/al.h>
+
+#include "antigrav.h"
+
+const float Menu::ANIMLEN = 0.25;
+GLuint Menu::keys[4];
+
+Menu::Menu()
+{
+	int vp[4];
+	glGetIntegerv(GL_VIEWPORT, vp);
+	width = vp[2];
+	height = vp[3];
+}
+
+int Menu::init()
+{
+	char name[10];
+	for(int p=0;p<4;p++) {
+		sprintf(name,"keys%d.png",p+1);
+		keys[p] = m3dTexture::loadTexture(name);
+		if(!keys[p])
+			return 1;
+	}
+
+	return 0;
+}
+
+int Menu::show()
+{
+	SDL_Event event;
+	int rval=-1;
+
+	Game &game = Game::getInstance();
+	for(int p=0;p<4;p++) {
+		char name[20];
+		sprintf(name,"Pelaaja %d",p+1);
+		game.getPlayer(p).setLocal(true);
+		game.getPlayer(p).setActive(false);
+		game.getPlayer(p).setName(name);
+		game.getPlayer(p+4).setLocal(false);
+		game.getPlayer(p+4).setActive(false);
+		anim[p]=0;
+	}
+	startanim = 0;
+	canstart = false;
+
+	Uint32 startTime = SDL_GetTicks();
+	while(rval==-1) {
+		// Update timer and frame rate
+		Uint32 frameTime = SDL_GetTicks() - startTime;
+		if(frameTime < Game::MIN_FRAME_TIME && Game::FRAME_LIMITER) {
+			SDL_Delay(Game::MIN_FRAME_TIME - frameTime);
+		}
+		frameTime = (SDL_GetTicks() - startTime);
+		float t = (frameTime) / 1000.0f;
+		startTime = SDL_GetTicks();
+
+		for(int p=0;p<4;++p) {
+			bool active = game.getPlayer(p).isActive();
+			if(active && anim[p]<ANIMLEN) {
+				anim[p] += t;
+                if(anim[p]>ANIMLEN) anim[p]=ANIMLEN;
+            } else if(!active && anim[p]>0) {
+				anim[p] -= t;
+                if(anim[p]<0) anim[p]=0;
+            }
+		}
+		if(canstart && startanim < ANIMLEN) {
+			startanim += t;
+            if(startanim>ANIMLEN)
+                startanim=ANIMLEN;
+        } else if(!canstart && startanim > 0) {
+			startanim -= t;
+            if(startanim<0)
+                startanim=0;
+        }
+
+		update();
+		while(SDL_PollEvent(&event)) {
+			if(event.type == SDL_QUIT) rval=1;
+			else if(event.type == SDL_KEYDOWN) {
+				if(event.key.keysym.sym == SDLK_ESCAPE) rval=1;
+				else if(event.key.keysym.sym == SDLK_RETURN) {
+					// Start game if at least one player is active
+					if(canstart)
+						rval=0;
+				} else {
+					// Toggle player activity
+					for(int p=0;p<Game::MAX_LOCAL_PLAYERS;++p) {
+						for(int c=0;c<Game::NUM_CONTROLS;++c) {
+							if(event.key.keysym.sym == game.CONTROLS[p][c]) {
+								togglePlayer(p);
+								break;
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+
+	return rval;
+}
+
+void Menu::togglePlayer(int p)
+{
+	Game &game = Game::getInstance();
+	Player &plr = game.getPlayer(p);
+	plr.setActive(!plr.isActive());
+	int act=0;
+	for(int plr=0;plr<4;plr++) {
+		if(game.getPlayer(plr).isActive())
+			++act;
+	}
+	canstart = act>0;
+}
+
+void Menu::drawPlayer(int p)
+{
+	Player &plr = Game::getInstance().getPlayer(p);
+
+	glViewport((width/2)*(p%2), (height/2)*!(p/2), width/2, height/2);
+
+	// Draw the ship
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+	gluPerspective(45.0, (GLdouble)width/height, 0.1, 100.0);
+	
+	glMatrixMode(GL_MODELVIEW);
+	glLoadIdentity();
+
+	glEnable(GL_LIGHTING);
+	glEnable(GL_DEPTH_TEST);
+
+	gluLookAt(1,2,3, 0,0,0, 0,1,0);
+	float scale = anim[p]/ANIMLEN+1;
+	float rot = anim[p]/ANIMLEN*360;
+	glScalef(scale,scale,scale);
+	glRotatef(rot,1,1,0);
+
+	plr.getCraft().getMesh().setTexture(0,plr.getTexture());
+	plr.getCraft().getMesh().draw();
+
+	// Draw keys
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+
+	glOrtho(0.0, width/16.0, height/16.0, 0.0, -1.0, 1.0);
+
+	glMatrixMode(GL_MODELVIEW);
+	glLoadIdentity();
+
+	glDisable(GL_LIGHTING);
+	glDisable(GL_DEPTH_TEST);
+
+	glBindTexture(GL_TEXTURE_2D, keys[p]);
+	glPushMatrix();
+	glTranslatef(((p%2)?((width/16.0)):24)-12.0,
+			((p/2)?(height/16.0):22)-11, 0);
+	glScalef(16,16,1);
+	glBegin(GL_TRIANGLE_STRIP);
+	glTexCoord2f(0,0);
+	glVertex2f(-0.5,-0.5);
+	glTexCoord2f(1,0);
+	glVertex2f(0.5,-0.5);
+	glTexCoord2f(0,1);
+	glVertex2f(-0.5,0.5);
+	glTexCoord2f(1,1);
+	glVertex2f(0.5,0.5);
+	glEnd();
+	glPopMatrix();
+
+	// Draw text
+	Font &font = Font::getInstance();
+	glScalef(2.0,2.0,1);
+	glPushMatrix();
+	glTranslatef(((p%2)?(width/32.0)-2:strlen(plr.getName())+2) -
+				strlen(plr.getName()),1,0);
+	font.drawString(plr.getName());
+
+	glPopMatrix();
+	if(anim[p]<ANIMLEN) {
+		glTranslatef((width/32.0)/2.0 - 12/2 , height/32.0-4.0, 0.0);
+		glColor4f(1,1,1,1-anim[p]/ANIMLEN);
+		font.drawString("Paina nappia");
+	}
+	glColor4f(1,1,1,1);
+}
+
+void Menu::update()
+{
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+	glEnable(GL_TEXTURE_2D);
+	glEnable(GL_BLEND);
+
+	// Draw players
+	for(int p=0;p<4;p++) {
+		drawPlayer(p);
+	}
+
+	// Draw startup text
+	if(startanim>0) {
+		glViewport(0, 0, width, height);
+		glMatrixMode(GL_PROJECTION);
+		glLoadIdentity();
+		glOrtho(0.0, width/16.0, height/16.0, 0.0, -1.0, 1.0);
+
+		glMatrixMode(GL_MODELVIEW);
+		glLoadIdentity();
+
+		Font &font = Font::getInstance();
+		glTranslatef((width/16.0)/2.0 - 13/2.0,(height/16.0)/2.0-1,0);
+		glColor4f(1,1,1,startanim/ANIMLEN);
+		font.drawString("Enter aloittaa");
+		glColor4f(1,1,1,1);
+	}
+
+	glDisable(GL_BLEND);
+	glDisable(GL_TEXTURE_2D);
+
+
+	// Draw other stuff
+	SDL_GL_SwapBuffers();
+}
+