hud: draw title and controls

Makefile

@@ -14,6 +14,7 @@ CFLAGS += -fpic
 CFLAGS += -I./include
 CFLAGS += -Wall -Werror -Wfatal-errors -Wno-error=unused-variable -Wno-error=unused-but-set-variable
 CFLAGS += -Wno-error=unknown-pragmas -Wno-unknown-pragmas
+CFLAGS += -Wno-error=unused-function
 CFLAGS += -fno-strict-aliasing
 ifdef READ_PACK_FILE
 CFLAGS += -DREAD_PACK_FILE

include/test.h

@@ -13,7 +13,8 @@ extern "C" {
   EXPORT void DECL update_keyboard(int up, int down, int left, int right,
 				   int w, int s, int a, int d,
 				   int t, int g, int f, int h,
-				   int i, int k, int j, int l);
+				   int i, int k, int j, int l,
+                                   int q, int e);
   EXPORT void DECL update_mouse(int x, int y);
   EXPORT void DECL update_joystick(int joystick_index,
 				   float lx, float ly, float rx, float ry, float tl, float tr,

main.lua

@@ -1,11 +1,17 @@
 local ffi = require 'ffi'
 local joysticks
 
-function init()
-   joysticks = love.joystick.getJoysticks()
-   for i, joystick in ipairs(joysticks) do
-      print(i, joystick:getName())
+function init_joysticks()
+   joysticks = {}
+   for i, joystick in ipairs(love.joystick.getJoysticks()) do
+      if joystick:isGamepad() then
+         table.insert(joysticks, joystick)
+         print(#joysticks, joystick:getName())
+      end
    end
+end
+
+function init()
 
    ffi.cdef[[
 void load(const char * source_path);
@@ -14,7 +20,8 @@ void draw();
 void update_keyboard(int up, int down, int left, int right,
                      int w, int s, int a, int d,
                      int t, int g, int f, int h,
-                     int i, int k, int j, int l);
+                     int i, int k, int j, int l,
+                     int q, int e);
 void update_mouse(int x, int y);
 void update_joystick(int joystick_index,
                      float lx, float ly, float rx, float ry, float tl, float tr,
@@ -123,10 +130,13 @@ local update = function(time)
    local k = love.keyboard.isDown("k")
    local j = love.keyboard.isDown("j")
    local l = love.keyboard.isDown("l")
+   local q = love.keyboard.isDown("q")
+   local e = love.keyboard.isDown("e")
    test.update_keyboard(up, down, left, right,
                         w, s, a, d,
                         t, g, f, h,
-                        i, k, j, l);
+                        i, k, j, l,
+                        q, e)
 
    test.update(time)
 end
@@ -229,6 +239,9 @@ function love.run()
    return function()
       love.event.pump()
       for name, a,b,c,d,e,f,g,h in love.event.poll() do
+         if name == "joystickadded" or name == "joystickremoved" then
+            init_joysticks()
+         end
          if name == "quit" then
             if c or not love.quit or not love.quit() then
                return a or 0, b

src/hud.cpp

@@ -2,11 +2,15 @@
 #include <string.h>
 
 #include "directxmath/directxmath.h"
+#include "glad/gl.h"
 
 #include "font/bitmap.h"
+#include "font/outline.h"
 #include "view.h"
+#include "window.h"
 
 extern font::bitmap::font * terminus_fonts;
+extern font::outline::font * uncial_antiqua_fonts;
 extern unsigned int empty_vertex_array_object;
 extern unsigned int quad_index_buffer;
 
@@ -80,6 +84,8 @@ namespace hud {
     return y + font.desc->glyph_height;
   }
 
+  static int frame = 0;
+
   void draw()
   {
     static char buf[512];
@@ -90,14 +96,41 @@ namespace hud {
     font::bitmap::font const& ter_best = terminus_fonts[font_ix];
     font::bitmap::draw_start(ter_best, empty_vertex_array_object, quad_index_buffer);
 
-    y = draw_label<float>(ter_best, buf, 10, y, "fov: ", "%.3f", view::state.fov);
-    y = draw_label<int>(ter_best, buf, 10, y, "font_height: ", "%d", ter_best.desc->glyph_height);
+    //y = draw_label<float>(ter_best, buf, 10, y, "fov: ", "%.3f", view::state.fov);
+    //y = draw_label<int>(ter_best, buf, 10, y, "font_height: ", "%d", ter_best.desc->glyph_height);
+
+    font::bitmap::draw_string(ter_best, "keyboard:", 10, y); y += ter_best.desc->glyph_height;
+    font::bitmap::draw_string(ter_best, "  move: w/a/s/d", 10, y); y += ter_best.desc->glyph_height;
+    font::bitmap::draw_string(ter_best, "  look: up/down/left/right", 10, y); y += ter_best.desc->glyph_height;
+    font::bitmap::draw_string(ter_best, "  elevate: q/e", 10, y); y += ter_best.desc->glyph_height;
+    font::bitmap::draw_string(ter_best, "gamepad:", 10, y); y += ter_best.desc->glyph_height;
+    font::bitmap::draw_string(ter_best, "  move: right stick", 10, y); y += ter_best.desc->glyph_height;
+    font::bitmap::draw_string(ter_best, "  look: left stick", 10, y); y += ter_best.desc->glyph_height;
+    font::bitmap::draw_string(ter_best, "  elevate: trigger left/right", 10, y); y += ter_best.desc->glyph_height;
+
+    if (frame++ > 60 * 10)
+      return;
+
+    font::outline::draw_start(uncial_antiqua_fonts[0], empty_vertex_array_object, quad_index_buffer);
+    char const * title = "Technical demo: Bibliotheca";
+    int const title_length = strlen(title);
+    int title_width = 563;
+    int title_height = 31;
+    int title_x = (window::width - title_width) / 2.0;
+    int title_y = (window::height - title_height) / 2.0;
+
+    glBlendFunc(GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    font::outline::draw_string(uncial_antiqua_fonts[0], title, title_x + 3, title_y + 3);
+
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    font::outline::draw_string(uncial_antiqua_fonts[0], title, title_x + 0, title_y + 0);
 
     /*
     y = draw_label<float>(ter_best, buf, 10, y, "lighting.quadratic: ", "%.2f", lighting.quadratic);
     y = draw_label<float>(ter_best, buf, 10, y, "lighting.linear: ", "%.2f", lighting.linear);
     */
 
+    /*
     y = draw_vector(ter_best, buf, y, "eye", XMVectorSetW(view::state.eye, 0));
     y = draw_vector(ter_best, buf, y, "at", XMVectorSetW(view::state.at, 0));
     y = draw_vector(ter_best, buf, y, "forward", XMVectorSetW(view::state.forward, 0));
@@ -105,10 +138,10 @@ namespace hud {
     y = draw_label<float>(ter_best, buf, 10, y, "pitch: ", "%.4f", view::state.pitch);
     y = draw_label<float>(ter_best, buf, 10, y, "frame_rate_avg: ", "%.2f", 1.0f / update_average(current_time - last_frame_time));
 
-    font::bitmap::draw_string(ter_best, "mouse:", 10, y);
-    y += ter_best.desc->glyph_height;
+    font::bitmap::draw_string(ter_best, "mouse:", 10, y); y += ter_best.desc->glyph_height;
 
     y = draw_vector(ter_best, buf, y, "  position", XMLoadFloat4((XMFLOAT4*)mouse_position));
     y = draw_vector(ter_best, buf, y, "     block", XMLoadFloat4((XMFLOAT4*)mouse_block));
+    */
   }
 }

src/test.cpp

@@ -215,26 +215,6 @@ void load(const char * source_path)
   flame::load_texture();
 }
 
-void update_keyboard(int up, int down, int left, int right,
-                     int w, int s, int a, int d,
-                     int t, int g, int f, int h,
-                     int i, int k, int j, int l)
-{
-  //float forward = (0.1f * up + -0.1f * down);
-  //float strafe = (-0.1f * left + 0.1f * right);
-  //view::third_person::apply_translation(forward, strafe, 0);
-  /*
-  collision_scene::update(up, down, left, right,
-                          w, s, a, d,
-                          t, g, f, h,
-                          i, k, j, l);
-  */
-  boids_scene::update(up, down, left, right,
-                      w, s, a, d,
-                      t, g, f, h,
-                      i, k, j, l);
-}
-
 void check_collisions(collision::Sphere const & sphere, XMVECTOR const & direction,
                       collision::state & state)
 {
@@ -312,6 +292,43 @@ void minecraft_view_update(XMVECTOR direction)
   view::state.eye = view::state.at - view::state.direction * view::at_distance;
 }
 
+void update_keyboard(int up, int down, int left, int right,
+                     int w, int s, int a, int d,
+                     int t, int g, int f, int h,
+                     int i, int k, int j, int l,
+                     int q, int e)
+{
+  //float forward = (0.1f * up + -0.1f * down);
+  //float strafe = (-0.1f * left + 0.1f * right);
+  //view::third_person::apply_translation(forward, strafe, 0);
+  /*
+  collision_scene::update(up, down, left, right,
+                          w, s, a, d,
+                          t, g, f, h,
+                          i, k, j, l);
+  */
+  /*
+  boids_scene::update(up, down, left, right,
+                      w, s, a, d,
+                      t, g, f, h,
+                      i, k, j, l);
+  */
+
+  float forward = (w - s) * 0.5;
+  float strafe = (d - a) * 0.5;
+  float elevation = (q - e) * 0.5;
+  float delta_yaw = (left - right) * -0.035;
+  float delta_pitch = (down - up) * -0.035;
+
+  XMVECTOR direction = view::third_person::apply_transform(forward, strafe, elevation,
+                                                           delta_yaw, delta_pitch);
+  view::apply_fov(0.01 * up + -0.01 * down);
+
+  if (true) {
+    minecraft_view_update(direction);
+  }
+}
+
 void update_joystick(int joystick_index,
                      float lx, float ly, float rx, float ry, float tl, float tr,
                      int up, int down, int left, int right,