From f17530af4aacb20f4016e09a8f6e7fa8d770503c Mon Sep 17 00:00:00 2001
From: Camden Dixie O'Brien <cdo@wip.sh>
Date: Sat, 28 Dec 2024 17:22:48 +0000
Subject: [PATCH] Use walking animation

---
 app/main.c | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/app/main.c b/app/main.c
index 5577506..cc6cf93 100644
--- a/app/main.c
+++ b/app/main.c
@@ -30,13 +30,14 @@
 #define TSCOLS 56
 
 #define PIDLE_ASSET "/player/idle.png"
+#define PWALK_ASSET "/player/walk.png"
 #define PWIDTH 48
 #define PHEIGHT 64
 #define PANIMLEN 8
 
 #define WALKSPEED 72 // pixels per second
 
-#define BASEANIMPERIOD 200
+#define BASEANIMPERIOD 100
 
 typedef enum {
 	SPRITE_DIR_DOWN = 0,
@@ -58,7 +59,7 @@ typedef struct {
 static SDL_Window *window;
 static SDL_Renderer *renderer;
 static unsigned map[MAPWIDTH][MAPHEIGHT];
-static SDL_Texture *tstex, *pidle;
+static SDL_Texture *tstex, *pidle, *pwalk, *ptex;
 static input_state_t input;
 
 static inline double mag(dvec_t v)
@@ -163,12 +164,17 @@ int main(int argc, char *argv[])
 	tstex = IMG_LoadTexture(renderer, path);
 	assert(NULL != tstex);
 
-	// Load player idle spritesheet
+	// Load player spritesheets
 	assert(strlen(argv[1]) + strlen(PIDLE_ASSET) < MAX_PATH_LEN);
 	strcpy(path, argv[1]);
 	strcat(path, PIDLE_ASSET);
 	pidle = IMG_LoadTexture(renderer, path);
 	assert(NULL != pidle);
+	assert(strlen(argv[1]) + strlen(PWALK_ASSET) < MAX_PATH_LEN);
+	strcpy(path, argv[1]);
+	strcat(path, PWALK_ASSET);
+	pwalk = IMG_LoadTexture(renderer, path);
+	assert(NULL != pwalk);
 
 	// Initialize view and player
 	dvec_t vpos = { 512, 0 };
@@ -176,6 +182,7 @@ int main(int argc, char *argv[])
 	SDL_Rect pdest = { .w = SCALE * PWIDTH, .h = SCALE * PHEIGHT };
 	dvec_t pvel = { 0, 0 }, ppos = { 640, 96 };
 	sprite_dir_t pdir = SPRITE_DIR_DOWN;
+	ptex = pidle;
 
 	SDL_Event event;
 	uint64_t prevt = SDL_GetTicks64();
@@ -259,6 +266,11 @@ int main(int argc, char *argv[])
 				else
 					pdir = SPRITE_DIR_UP;
 			}
+
+			// Set walkikng texture
+			ptex = pwalk;
+		} else {
+			ptex = pidle;
 		}
 
 		// Update view
@@ -307,8 +319,7 @@ int main(int argc, char *argv[])
 		psrc.y = PHEIGHT * pdir;
 		pdest.x = SCALE * (int)(ppos.x - vpos.x - PWIDTH / 2);
 		pdest.y = SCALE * (int)(ppos.y - vpos.y - PHEIGHT / 2);
-		SDL_RenderCopy(renderer, pidle, &psrc, &pdest);
-
+		SDL_RenderCopy(renderer, ptex, &psrc, &pdest);
 		SDL_RenderPresent(renderer);
 	}