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added help overlay

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Illusion
2023-10-02 23:59:48 +02:00
parent f0ce9a26f3
commit 938d0e67cb
8 changed files with 158 additions and 7 deletions
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cudoku.c
+73 -4
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@@ -10,6 +10,9 @@
#include "cudoku.h"
#include "font.h"
#include "shader.h"
#include "helper.h"
#define help_text_size 12
static const float quad_vertices[] = {
// positions // texture coords
@@ -26,6 +29,23 @@ static const int quad_indices[] = {
static const Color mistake_color = {1.f, 0.f, 0.f, 0.5f};
static const char *win_text = "You won!";
static const char *help_texts[help_text_size] = {
"F1 - Toggle help",
"F11 - Toggle fullscreen",
"1-9 - Set number",
"0/Del/Backspace - Remove number",
"Left/A/H - Move selection left",
"Right/D/L - Move selection right",
"Up/W/K - Move selection up",
"Down/S/J - Move selection down",
"Space/Enter - Toggle selection",
"N - New board",
"C - Check for mistakes",
"R - Reset board"
};
void set_scale_factor(int width, int height, float *x, float *y) {
if (width > height) {
float ratio = (float)height / (float)width;
@@ -155,9 +175,8 @@ void draw_win_overlay(Shader win_shader, Shader font_shader, unsigned int vao, u
glBindVertexArray(0);
const char *text = "You won!";
Size text_size = calculate_text_size(text, 1.0f);
draw_text(font_shader, text, text_size, 1.5f, font_vao, font_vbo, transform);
Size text_size = calculate_text_size(win_text, 1.0f);
draw_text(font_shader, win_text, text_size, 1.5f, font_vao, font_vbo, transform);
}
void prepare_selection_box(unsigned int *vao, unsigned int *vbo) {
@@ -206,7 +225,6 @@ void draw_selection_box(Shader shader, unsigned int vao, unsigned int vbo, int x
glBindBuffer(GL_ARRAY_BUFFER, vbo);
glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(vertices), vertices);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glDrawArrays(GL_TRIANGLES, 0, 6);
@@ -261,6 +279,7 @@ void reset_state(Cudoku *game) {
game->should_draw_selection = false;
game->should_highlight_mistakes = false;
game->has_won = false;
game->should_draw_help = true;
}
bool check_win(Cudoku *game) {
@@ -274,6 +293,7 @@ bool check_win(Cudoku *game) {
game->has_won = true;
game->should_draw_selection = false;
game->should_highlight_mistakes = false;
game->should_draw_help = false;
return true;
}
@@ -541,4 +561,53 @@ void reset_board(Cudoku *game) {
}
}
void toggle_help(Cudoku *game) {
if (!game->has_won) {
game->should_draw_help = !game->should_draw_help;
}
}
void draw_ui_element_at(Shader shader, unsigned int vao, unsigned int vbo, Matrix4x4 projection, Vec2 pos, Size size, Color color) {
use_shader(shader);
set_mat4f(shader, "transform", (float *)projection.m);
set_vec4f(shader, "aColor", color.r, color.g, color.b, color.a);
glBindVertexArray(vao);
float vertices[6][2] = {
{pos.x, pos.y + size.height},
{pos.x, pos.y},
{pos.x + size.width, pos.y},
{pos.x, pos.y + size.height},
{pos.x + size.width, pos.y},
{pos.x + size.width, pos.y + size.height},
};
glBindBuffer(GL_ARRAY_BUFFER, vbo);
glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(vertices), vertices);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glDrawArrays(GL_TRIANGLES, 0, 6);
glBindVertexArray(0);
}
void draw_help_overlay(Shader overlay_shader, Shader font_shader, unsigned int overlay_vao, unsigned int overlay_vbo, unsigned int font_vao, unsigned int font_vbo, Matrix4x4 projection, int window_height) {
float scale = 0.3f;
int total_help_texts_height = 20;
int text_padding = 10;
Size size = {.width = 700, .height = 500};
Vec2 pos = {.x = 0, .y = window_height - size.height};
Color color = { .r = 0.1f, .g = 0.1f, .b = 0.1f, .a = 0.95f };
draw_ui_element_at(overlay_shader, overlay_vao, overlay_vbo, projection, pos, size, color);
for (int i = 0; i < help_text_size; i++) {
Size text_size = calculate_text_size(help_texts[i], scale);
Vec2 text_pos = {.x = text_padding, .y = window_height - total_help_texts_height - (text_padding * 2)};
total_help_texts_height += text_size.height + text_padding;
draw_text_at(font_shader, help_texts[i], text_pos, scale, font_vao, font_vbo, (float *)projection.m);
}
}