- First commit to gitea

2026-02-12 10:51:02 +01:00
commit a16a5a4102
40 changed files with 10033 additions and 0 deletions
--- a/grid.cpp
+++ b/grid.cpp
@@ -0,0 +1,77 @@
+#include "grid.h"
+#include <SDL2/SDL_opengl.h>
+
+//#include "viewport.h"
+#include "renderer.h"
+
+namespace Grid
+{
+	bool visible = true;
+
+	void Toggle()
+	{
+		visible = not visible;
+	}
+
+	void Draw(const char viewport, int size)
+	{
+		if (not visible) return;
+
+		int planeOffset = 0;
+		char axis = 1; //AXIS_Y;
+/*		Viewport::Viewport v = Viewport::GetViewport(viewport);
+		if (v.perspective == Viewport::Perspective::Ortho) {
+			if (v.yaw == 0 and v.pitch == 90) {
+				planeOffset = 999;
+				axis = AXIS_Y;
+			} else if (v.yaw == 0 and v.pitch == -90) {
+				planeOffset = -999;
+				axis = AXIS_Y;
+			} else if (v.yaw == 90 and v.pitch == 0) {
+				planeOffset = -999;
+				axis = AXIS_X;
+			} else if (v.yaw == -90 and v.pitch == 0) {
+				planeOffset = 999;
+				axis = AXIS_X;
+			} else if (v.yaw == 0 and v.pitch == 0) {
+				planeOffset = 999;
+				axis = AXIS_Z;
+			} else if (v.yaw == 180 and v.pitch == 0) {
+				planeOffset = -999;
+				axis = AXIS_Z;
+			}
+		}
+*/
+		const char axis_x = 0; //axis == AXIS_Z ? AXIS_X : axis == AXIS_X ? AXIS_Z : AXIS_X;
+		const char axis_y = 1; //axis == AXIS_Z ? AXIS_Y : axis == AXIS_X ? AXIS_Y : AXIS_Z;
+
+
+		Renderer::Push();
+		Renderer::Light(OFF);
+		Renderer::Depth(OFF);
+		if (size == 0) size = planeOffset == 0 ? 20 : 30;
+		glBegin(GL_LINES);
+		for (int i = -size; i <= size; i++) {
+			if (i == 0) {
+				glColor4f(0.5f, 0.5f, 0.5f, 1);
+			} else {
+				glColor4f(0.25f, 0.25f, 0.25f, 1);
+			}
+			char pos[2][3] {{0,0,0}, {0,0,0}};
+			pos[0][axis_x] = -size;
+			pos[1][axis_x] = size;
+			pos[0][axis_y] = pos[1][axis_y] = i;
+			pos[0][axis] = pos[1][axis] = planeOffset;
+			glVertex3f(pos[0][0], pos[0][1], pos[0][2]);
+			glVertex3f(pos[1][0], pos[1][1], pos[1][2]);
+			pos[0][axis_y] = -size;
+			pos[1][axis_y] = size;
+			pos[0][axis_x] = pos[1][axis_x] = i;
+			pos[0][axis] = pos[1][axis] = planeOffset;
+			glVertex3f(pos[0][0], pos[0][1], pos[0][2]);
+			glVertex3f(pos[1][0], pos[1][1], pos[1][2]);
+		}
+		glEnd();
+		Renderer::Pop();
+	}
+}