Start of credits.

common.mk

@@ -32,7 +32,7 @@ DEPS += defs.h structs.h
 
 _OBJS += atlas.o aquaBlob.o
 _OBJS += battery.o blaze.o bob.o boss.o blobBoss.o bullet.o
-_OBJS += camera.o cannon.o cardReader.o cell.o cherry.o combat.o controls.o consumable.o
+_OBJS += camera.o cannon.o cardReader.o cell.o cherry.o combat.o controls.o consumable.o credits.o
 _OBJS += debris.o destructable.o door.o draw.o
 _OBJS += effects.o ending.o entities.o entity.o entityFactory.o exit.o explosions.o eyeDroid.o eyeDroidCommander.o evilBlob.o
 _OBJS += fleshChunk.o frost.o

src/game/credits.c

@@ -0,0 +1,172 @@
+/*
+Copyright (C) 2015-2017 Parallel Realities
+
+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.
+
+*/
+
+#include "credits.h"
+
+static void loadCredits(void);
+static void logic(void);
+static void draw(void);
+static void handleKeyboard(void);
+
+static Texture *atlasTexture;
+static Atlas *background;
+static Credit head, *tail;
+static float creditSpeed;
+static int timeout;
+
+void initCredits(void)
+{
+	startSectionTransition();
+	
+	stopMusic();
+	
+	memset(&head, 0, sizeof(Credit));
+	tail = &head;
+	
+	app.delegate.logic = &logic;
+	app.delegate.draw = &draw;
+	memset(&app.keyboard, 0, sizeof(int) * MAX_KEYBOARD_KEYS);
+	
+	atlasTexture = getTexture("gfx/atlas/atlas.png");
+	
+	background = getImageFromAtlas("gfx/main/credits.png");
+	
+	loadCredits();
+	
+	loadMusic("music/Eternal Wishes.ogg");
+	
+	playMusic(0);
+	
+	endSectionTransition();
+}
+
+static void logic(void)
+{
+	Credit *c;
+	
+	handleKeyboard();
+	
+	for (c = head.next ; c != NULL ; c = c->next)
+	{
+		c->y -= creditSpeed;
+	}
+	
+	if (--timeout <= 0)
+	{
+		exit(1);
+	}
+}
+
+static void draw(void)
+{
+	float scale;
+	int w, h;
+	Credit *c;
+	
+	scale = (SCREEN_WIDTH * 1.0) / background->rect.w;
+	
+	w = background->rect.w * scale;
+	h = background->rect.h * scale;
+	
+	blitRectScaled(atlasTexture->texture, 0, SCREEN_HEIGHT - h, w, h, &background->rect, 0);
+	
+	limitTextWidth(CREDIT_LINE_LIMIT);
+	
+	for (c = head.next ; c != NULL ; c = c->next)
+	{
+		if (c->y > -c->h && c->y < SCREEN_HEIGHT)
+		{
+			drawText(SCREEN_WIDTH / 2, (int)c->y, c->size, TA_CENTER, colors.white, c->text);
+		}
+	}
+	
+	limitTextWidth(0);
+}
+
+static void loadCredits(void)
+{
+	int y, dist;
+	char *text, *line, *saveptr;
+	Credit *c;
+	
+	y = SCREEN_HEIGHT + 50;
+
+	text = readFile("data/misc/credits.txt");
+	
+	limitTextWidth(CREDIT_LINE_LIMIT);
+	
+	line = strtok_r(text, "\n", &saveptr);
+	
+	while (line)
+	{
+		c = malloc(sizeof(Credit));
+		memset(c, 0, sizeof(Credit));
+		tail->next = c;
+		tail = c;
+		
+		c->y = y;
+		
+		c->text = malloc(sizeof(char) * strlen(line));
+		memset(c->text, '\0', sizeof(char) * strlen(line));
+		
+		sscanf(line, "%d %d %[^\n]", &dist, &c->size, c->text);
+		
+		c->y += dist;
+		c->h = getWrappedTextHeight(c->text, c->size);
+		
+		y += c->h + dist;
+		
+		line = strtok_r(NULL, "\n", &saveptr);
+	}
+	
+	limitTextWidth(0);
+	
+	/* the music that plays over the credits is 1m 55s, so scroll credits roughly inline with that (plus 2 seconds) */
+	timeout = (60 + 57) * FPS;
+	
+	creditSpeed = y;
+	creditSpeed /= timeout;
+	
+	free(text);
+}
+
+static void handleKeyboard(void)
+{
+	if (app.keyboard[SDL_SCANCODE_ESCAPE])
+	{
+		timeout = 0;
+	}
+}
+
+void destroyCredits(void)
+{
+	Credit *c;
+	
+	while (head.next)
+	{
+		c = head.next;
+		head.next = c->next;
+		if (c->text)
+		{
+			free(c->text);
+		}
+		free(c);
+	}
+}

src/game/credits.h

@@ -0,0 +1,42 @@
+/*
+Copyright (C) 2018 Parallel Realities
+
+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.
+
+*/
+
+#include "../common.h"
+
+#define CREDIT_LINE_LIMIT	500
+
+extern void blitRectScaled(SDL_Texture *texture, int x, int y, int w, int h, SDL_Rect *srcRect, int center);
+extern void drawRect(int x, int y, int w, int h, int r, int g, int b, int a);
+extern void blitRect(SDL_Texture *texture, int x, int y, SDL_Rect *srcRect, int center);
+extern void drawText(int x, int y, int size, int align, SDL_Color c, const char *format, ...);
+extern void endSectionTransition(void);
+extern Atlas *getImageFromAtlas(char *filename);
+extern Texture *getTexture(const char *filename);
+extern int getWrappedTextHeight(const char *text, int size);
+extern void limitTextWidth(int width);
+extern char *readFile(const char *filename);
+extern void startSectionTransition(void);
+extern void stopMusic(void);
+extern void loadMusic(char *filename);
+extern void playMusic(int loop);
+
+extern App app;
+extern Colors colors;
+

src/main.c

@@ -176,6 +176,12 @@ static void handleCommandLine(int argc, char *argv[])
 			initEnding();
 			return;
 		}
+		
+		if (strcmp(argv[i], "-credits") == 0)
+		{
+			initCredits();
+			return;
+		}
 	}
 
 	initWorldTest(worldId);

src/main.h

@@ -33,6 +33,7 @@ extern void initLookups(void);
 extern void initSDL(void);
 extern void initWorldTest(char *worldId);
 extern void initEnding(void);
+extern void initCredits(void);
 extern void prepareScene(void);
 extern void presentScene(void);
 extern void saveScreenshot(char *name);

src/structs.h

@@ -34,6 +34,7 @@ typedef struct Bucket Bucket;
 typedef struct EntityDef EntityDef;
 typedef struct Trophy Trophy;
 typedef struct cJSON cJSON;
+typedef struct Credit Credit;
 
 typedef struct Entity Entity;
 typedef struct EntityExt EntityExt;
@@ -503,6 +504,14 @@ struct Atlas {
 	Atlas *next;
 };
 
+struct Credit {
+	char *text;
+	float y;
+	int size;
+	int h;
+	Credit *next;
+};
+
 /* ===== i18n stuff ==== */
 
 struct Bucket {