Merge remote-tracking branch 'johnny/master'

1 files changed, 91 insertions, 0 deletions

diff --git a/src/player.c b/src/player.c
new file mode 100644
index 0000000..000eb76
--- /dev/null
+++ b/src/player.c
@@ -0,0 +1,91 @@
+/*
+* Copyright (c) 2021, Johnny Richard
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* 1. Redistributions of source code must retain the above copyright notice, this
+*    list of conditions and the following disclaimer.
+*
+* 2. Redistributions in binary form must reproduce the above copyright notice,
+*    this list of conditions and the following disclaimer in the documentation
+*    and/or other materials provided with the distribution.
+*
+* 3. Neither the name of the copyright holder nor the names of its
+*    contributors may be used to endorse or promote products derived from
+*    this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include "player.h"
+
+#include <assert.h>
+#include <SDL.h>
+
+void
+player_init(player_t *player)
+{
+  assert(player && "player is required");
+  player->x = 0;
+  player->y = 0;
+  player->width = 20;
+  player->height = 20;
+  player->speed = 8;
+}
+
+void player_update(player_t     *player,
+                   controller_t *ctrl,
+                   int           screen_width,
+                   int           screen_height)
+{
+  if (controller_is_up_pressed(ctrl) && player->y > 0) {
+    player->y -= player->speed;
+    player->y = player->y < 0 ? 0 : player->y;
+  }
+
+  if (controller_is_down_pressed(ctrl) && player->y < screen_height) {
+    player->y += player->speed;
+    player->y = player->y + player->height > screen_height 
+      ? screen_height - player->height 
+      : player->y;
+  }
+
+  if (controller_is_left_pressed(ctrl) && player->x > 0)  {
+    player->x -= player->speed;
+    player->x = player->x < 0 
+      ? 0 
+      : player->x;
+  }
+
+  if (controller_is_right_pressed(ctrl) && player->x < screen_width) {
+    player->x += player->speed;
+    player->x = player->x + player->width > screen_width 
+      ? screen_width - player->width 
+      : player->x;
+  }
+}
+
+void
+player_draw(player_t *player, SDL_Renderer *renderer)
+{
+  SDL_Rect rect = { 
+    .x = player->x, 
+    .y = player->y,
+    .w = player->width,
+    .h = player->height 
+  };
+
+  SDL_SetRenderDrawColor(renderer, 0, 0, 0xFF, 1);
+  SDL_RenderFillRect(renderer, &rect);
+}