From 787b25239eba37a6984090b6b0b5e84649a10962 Mon Sep 17 00:00:00 2001
From: Sheldon Lee <sheldon@sheldonlee.com>
Date: Thu, 20 Apr 2023 00:31:41 +0100
Subject: [PATCH] Add first person view.

---
 firstperson.cpp | 39 +++++++++++++++++++++++++++++++++++++++
 firstperson.h   | 10 ++++++++++
 view.cpp        |  4 ++++
 3 files changed, 53 insertions(+)
 create mode 100644 firstperson.cpp
 create mode 100644 firstperson.h

diff --git a/firstperson.cpp b/firstperson.cpp
new file mode 100644
index 0000000..5af43a0
--- /dev/null
+++ b/firstperson.cpp
@@ -0,0 +1,39 @@
+#include "firstperson.h"
+#include <stdio.h>
+
+#include "maths.h"
+
+static sf::RenderTexture renderTexture;
+static sf::Vector2f renderTexturePosition;
+
+static bool init = false;
+static unsigned int width;
+static unsigned int height;
+
+int firstperson_init(unsigned int _width, unsigned int _height)
+{
+	printf("firstperson_init()\n");
+	if (!renderTexture.create(_width, _height)) return 0;
+	width = _width;
+	height = _height;
+	init = true;
+	return 1;
+}
+
+void firstperson_update(sf::RenderTarget* renderTarget)
+{
+	renderTexture.clear();
+	sf::CircleShape shape(50);
+	renderTexture.draw(shape);
+	renderTexture.display();
+
+	sf::Sprite sprite(renderTexture.getTexture());
+	sprite.setPosition(renderTexturePosition);
+	renderTarget->draw(sprite);
+}
+
+void firstperson_setTexturePosition(float x, float y)
+{
+	renderTexturePosition.x = x;
+	renderTexturePosition.y = y;
+}
diff --git a/firstperson.h b/firstperson.h
new file mode 100644
index 0000000..11434ab
--- /dev/null
+++ b/firstperson.h
@@ -0,0 +1,10 @@
+#ifndef FIRSTPERSON_H
+#define FIRSTPERSON_H
+
+#include <SFML/Graphics.hpp>
+
+int firstperson_init(unsigned int width, unsigned int height);
+void firstperson_update(sf::RenderTarget* renderTarget);
+void firstperson_setTexturePosition(float x, float y);
+
+#endif
diff --git a/view.cpp b/view.cpp
index 5ba2115..a4a7fcf 100644
--- a/view.cpp
+++ b/view.cpp
@@ -5,6 +5,7 @@
 #include "maths.h"
 #include "camera.h"
 #include "minimap.h"
+#include "firstperson.h"
 
 #define MINIMAP_SIZE 460
 #define VIEW_SIZE MINIMAP_SIZE*2
@@ -22,8 +23,10 @@ int view_init()
 	printf("view_init()\n");
 	if (!camera_init(&camera, sf::Vector2f(5.f/2.f, 5.f/2.f), 0.f, 100, 0.5f*PI)) return 0;
 	if (!minimap_init(MINIMAP_SIZE)) return 0;
+	if (!firstperson_init(VIEW_SIZE, MINIMAP_SIZE)) return 0;
 
 	minimap_setTexturePosition(0.f, 0.f);
+	firstperson_setTexturePosition(MINIMAP_SIZE, 0.f);
 	return 1;
 }
 
@@ -50,6 +53,7 @@ int view_update()
 
 	window.clear();
 	minimap_update(&window, &camera);
+	firstperson_update(&window);
 	window.display();
 
 	return 1;