Allow for switching of weapons. Show weapon info on hud.

data/fighters/ray.json

@@ -8,14 +8,24 @@
 	"textureName" : "gfx/fighters/ray.png",
 	"guns" : [
 		{
-			"type" : "BT_MAG",
+			"type" : "BT_PLASMA",
 			"x" : -12,
 			"y" : -12
 		},
 		{
-			"type" : "BT_MAG",
+			"type" : "BT_PLASMA",
 			"x" : 12,
 			"y" : -12
+		},
+		{
+			"type" : "BT_MAG",
+			"x" : -8,
+			"y" : -12
+		},
+		{
+			"type" : "BT_MAG",
+			"x" : 8,
+			"y" : -12
 		}
 	],
 	"missiles" : {

src/battle/battle.h

@@ -61,6 +61,7 @@ extern void scrollBackground(float x, float y);
 extern void initOptions(void (*returnFromOptions)(void));
 extern void drawOptions(void);
 extern void playSound(int id);
+extern void initPlayer(void);
 
 extern App app;
 extern Battle battle;

src/battle/bullets.c

@@ -230,7 +230,7 @@ void fireGuns(Fighter *owner)
 	
 	for (i = 0 ; i < MAX_FIGHTER_GUNS ; i++)
 	{
-		if (owner->guns[i].type)
+		if (owner->guns[i].type == owner->selectedGunType)
 		{
 			s = sin(TO_RAIDANS(owner->angle));
 			c = cos(TO_RAIDANS(owner->angle));

src/battle/fighters.c

@@ -73,6 +73,8 @@ Fighter *spawnFighter(char *name, int x, int y, int side)
 		randomizeDart(f);
 	}
 	
+	f->selectedGunType = f->guns[0].type;
+	
 	f->defaultAction = doAI;
 	f->die = die;
 	

src/battle/hud.c

@@ -25,7 +25,7 @@ static void drawPlayerTargeter(void);
 static void drawNumAllies(void);
 static void drawNumEnemies(void);
 static void drawHealthBars(void);
-static void drawMissileAmmoBar(void);
+static void drawWeaponInfo(void);
 static void drawObjectives(void);
 static void drawTargetDistance(void);
 static void drawHudMessages(void);
@@ -34,6 +34,7 @@ static HudMessage hudMessageHead;
 static HudMessage *hudMessageTail;
 
 static int healthWarning;
+static char *gunName[] = {"", "Particle Cannon", "Plasma Cannon", "Laser Cannon", "Mag Cannon"};
 
 void initHud(void)
 {
@@ -95,7 +96,7 @@ void drawHud(void)
 	{
 		drawHealthBars();
 		
-		drawMissileAmmoBar();
+		drawWeaponInfo();
 		
 		drawNumAllies();
 		
@@ -181,46 +182,10 @@ static void drawHealthShieldBar(int current, int max, int x, int y, int r, int g
 	}
 }
 
-static void drawMissileAmmoBar(void)
+static void drawWeaponInfo(void)
 {
-	int w;
-	float i, percent, step;
-	SDL_Rect rect;
-	
-	rect.x = 10;
-	rect.y = 50;
-	rect.w = 250;
-	rect.h = 12;
-
-	SDL_SetRenderDrawColor(app.renderer, 128, 64, 32, 255);
-	SDL_RenderFillRect(app.renderer, &rect);
-	
-	SDL_SetRenderDrawColor(app.renderer, 255, 255, 255, 255);
-	SDL_RenderDrawRect(app.renderer, &rect);
-
-	rect.x += 2;
-	rect.y += 2;
-	rect.w -= 4;
-	rect.h -= 4;
-	
-	percent = player->missiles.ammo;
-	percent /= player->missiles.maxAmmo;
-	
-	step = rect.w;
-	step /= player->missiles.maxAmmo;
-	
-	w = rect.w;
-	
-	rect.w *= percent;
-	
-	SDL_SetRenderDrawColor(app.renderer, 255, 128, 0, 255);
-	SDL_RenderFillRect(app.renderer, &rect);
-	
-	for (i = step ; i < w ; i += step)
-	{
-		SDL_SetRenderDrawColor(app.renderer, 0, 0, 0, 0);
-		SDL_RenderDrawLine(app.renderer, rect.x + i, rect.y, rect.x + i, rect.y + rect.h);
-	}
+	drawText(10, 50, 14, TA_LEFT, colors.white, gunName[player->selectedGunType]);
+	drawText(260, 50, 14, TA_RIGHT, colors.white, "Missiles (%d)", player->missiles.ammo);
 }
 
 static void drawPlayerTargeter(void)

src/battle/player.c

@@ -21,6 +21,33 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include "player.h"
 
 static void selectTarget(void);
+static void switchGuns(void);
+
+static int availableGuns[BT_MAX];
+
+void initPlayer(void)
+{
+	int i, n;
+	
+	memset(&availableGuns, 0, sizeof(int) * BT_MAX);
+	
+	player->selectedGunType = -1;
+		
+	for (i = 0 ; i < MAX_FIGHTER_GUNS ; i++)
+	{
+		n = player->guns[i].type;
+		
+		if (n)
+		{
+			availableGuns[n] = 1;
+			
+			if (player->selectedGunType == -1)
+			{
+				player->selectedGunType = n;
+			}
+		}
+	}
+}
 
 void doPlayer(void)
 {
@@ -55,6 +82,13 @@ void doPlayer(void)
 				fireGuns(player);
 			}
 			
+			if (app.keyboard[SDL_SCANCODE_LSHIFT])
+			{
+				switchGuns();
+				
+				app.keyboard[SDL_SCANCODE_LSHIFT] = 0;
+			}
+			
 			if (app.keyboard[SDL_SCANCODE_RETURN] && player->missiles.ammo && player->target)
 			{
 				fireMissile(player);
@@ -83,6 +117,21 @@ void doPlayer(void)
 	}
 }
 
+static void switchGuns(void)
+{
+	int i;
+	
+	i = player->selectedGunType;
+	
+	do
+	{
+		i = (i + 1) % BT_MAX;
+	}
+	while (!availableGuns[i]);
+	
+	player->selectedGunType = i;
+}
+
 static void selectTarget(void)
 {
 	unsigned int closest = 65535;

src/galaxy/mission.c

@@ -68,6 +68,9 @@ void loadMission(char *filename)
 		battle.status = MS_IN_PROGRESS;
 	}
 	
+	
+	initPlayer();
+	
 	playMusic(music);
 }
 

src/galaxy/mission.h

@@ -33,6 +33,7 @@ extern void startSectionTransition(void);
 extern void endSectionTransition(void);
 extern void playMusic(char *filename);
 extern void stopMusic(void);
+extern void initPlayer(void);
 
 extern Battle battle;
 extern Fighter *player;

src/structs.h

@@ -85,6 +85,7 @@ struct Fighter {
 	int maxShield;
 	int reload;
 	int reloadTime;
+	int selectedGunType;
 	int shieldRecharge;
 	int shieldRechargeRate;
 	int systemPower;