From f776df6076725d14679b31168e3ede53c966182e Mon Sep 17 00:00:00 2001
From: Yann Herklotz <ymherklotz@gmail.com>
Date: Tue, 31 Oct 2017 22:11:18 +0000
Subject: renaming base folder

---
 yage/core/sprite.cpp | 95 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 yage/core/sprite.cpp

(limited to 'yage/core/sprite.cpp')

diff --git a/yage/core/sprite.cpp b/yage/core/sprite.cpp
new file mode 100644
index 00000000..9ac4dc55
--- /dev/null
+++ b/yage/core/sprite.cpp
@@ -0,0 +1,95 @@
+/* ----------------------------------------------------------------------------
+ * sprite.cpp
+ *
+ * Copyright (c) 2017 Yann Herklotz Grave <ymherklotz@gmail.com> -- MIT License
+ * See file LICENSE for more details
+ * ----------------------------------------------------------------------------
+ */
+
+#include <yage/base/sprite.h>
+#include <yage/base/resourcemanager.h>
+#include <yage/base/vertex.h>
+
+#include <cstddef>
+
+namespace yage
+{
+
+Sprite::~Sprite()
+{
+    if (vbo_id_ != 0) {
+        glDeleteBuffers(1, &vbo_id_);
+    }
+}
+
+void Sprite::init(float x, float y, float width, float height,
+                  const std::string &texture_path)
+{
+    x_ = x;
+    y_ = y;
+    width_ = width;
+    height_ = height;
+    texture_ = ResourceManager::getTexture(texture_path);
+
+    if (vbo_id_ == 0) {
+        glGenBuffers(1, &vbo_id_);
+    }
+
+    Vertex vertex_data[6];
+
+    vertex_data[0].setPosition(x + width, y + height);
+    vertex_data[0].setUv(1.f, 1.f);
+
+    vertex_data[1].setPosition(x, y + height);
+    vertex_data[1].setUv(0.f, 1.f);
+
+    vertex_data[2].setPosition(x, y);
+    vertex_data[2].setUv(0.f, 0.f);
+
+    vertex_data[3].setPosition(x, y);
+    vertex_data[3].setUv(0.f, 0.f);
+
+    vertex_data[4].setPosition(x + width, y + height);
+    vertex_data[4].setUv(1.f, 1.f);
+
+    vertex_data[5].setPosition(x + width, y);
+    vertex_data[5].setUv(1.f, 0.f);
+
+    for (auto &i : vertex_data) {
+        i.setColor(255, 0, 255, 255);
+    }
+
+    vertex_data[1].setColor(0, 255, 255, 255);
+    vertex_data[4].setColor(255, 0, 0, 255);
+
+    glBindBuffer(GL_ARRAY_BUFFER, vbo_id_);
+    glBufferData(GL_ARRAY_BUFFER, sizeof(vertex_data), vertex_data,
+                 GL_STATIC_DRAW);
+    glBindBuffer(GL_ARRAY_BUFFER, 0);
+}
+
+void Sprite::draw()
+{
+    glBindTexture(GL_TEXTURE_2D, texture_.id);
+    glBindBuffer(GL_ARRAY_BUFFER, vbo_id_);
+
+    glEnableVertexAttribArray(0);
+    glEnableVertexAttribArray(1);
+    glEnableVertexAttribArray(2);
+
+    glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex),
+                          (void *)offsetof(Vertex, position));
+    glVertexAttribPointer(1, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(Vertex),
+                          (void *)offsetof(Vertex, color));
+    glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, sizeof(Vertex),
+                          (void *)offsetof(Vertex, uv));
+    glDrawArrays(GL_TRIANGLES, 0, 6);
+
+    glDisableVertexAttribArray(2);
+    glDisableVertexAttribArray(1);
+    glDisableVertexAttribArray(0);
+
+    glBindBuffer(GL_ARRAY_BUFFER, 0);
+}
+
+} // namespace yage
-- 
cgit