+#include <drawtext.h>
#include "ui_exhibit.h"
+#include "ui.h"
#include "app.h"
+#include "snode.h"
+#include "shader.h"
+
+struct Rect {
+ float x, y, w, h;
+};
+
+static void draw_frame(const Rect &rect);
+static void draw_titlebar(const Rect &rect);
+static void draw_tabs(const Rect &rect);
+static void draw_text(const Rect &rect);
+static void layout_text(const char *text);
+
+static const SceneNode *parent;
+static Vec3 pos;
+static Vec2 size;
+static float text_padding;
+static float text_scale = 0.05f;
+static Exhibit *ex;
+static int vis_tab;
+static float scroll;
+static std::vector<const char*> text_lines;
+static AudioStream *voice;
+
+enum {COL_BG, COL_FG, COL_FRM};
+static float color[][3] = {
+ {0.09, 0.14, 0.2}, // COL_BG
+ {0.31, 0.58, 0.9}, // COL_FG
+ {0.19, 0.23, 0.46} // COL_FRM
+};
+
bool exui_init()
{
+ size.x = 15;
+ size.y = 18;
+ text_padding = size.x * 0.01;
+
return true;
}
{
}
+void exui_setnode(const SceneNode *node)
+{
+ parent = node;
+}
+
+void exui_change_tab(int dir)
+{
+}
+
+void exui_scroll(float delta)
+{
+}
+
+bool exui_raycast(const Ray &ray)
+{
+ return false;
+}
+
void exui_update(float dt)
{
+ if(exsel_active.ex != ex) {
+ ex = exsel_active.ex;
+ scroll = 0.0f;
+ vis_tab = 0;
+ text_lines.clear();
+ if(voice) voice->stop();
+
+ if(ex) {
+ int num_data = ex->data.size();
+ for(int i=0; i<num_data; i++) {
+ if(ex->data[i].type == EXDATA_INFO) {
+ layout_text(ex->data[i].text.c_str());
+ voice = ex->data[i].voice;
+ }
+ }
+
+ if(voice) {
+ voice->play(AUDIO_PLAYMODE_ONCE);
+ }
+ } else {
+ voice = 0;
+ }
+ }
}
void exui_draw()
{
if(!exsel_active) return;
+ if(!ui_font) return;
+
+ dtx_use_font(ui_font, ui_font_size);
+ float rowspc = dtx_line_height() * text_scale;
+
+ Rect rect = {-size.x / 2.0f, -size.y / 2.0f, size.x, size.y};
+
+ glMatrixMode(GL_MODELVIEW);
+ glPushMatrix();
+ if(parent) {
+ glMultMatrixf(parent->get_matrix()[0]);
+ }
+ glTranslatef(pos.x, pos.y, pos.z);
+ glScalef(1, -1, 1);
+
+ bind_shader(0);
+
+ glPushAttrib(GL_ENABLE_BIT);
+ glDisable(GL_TEXTURE_2D);
+ glDisable(GL_LIGHTING);
+ glEnable(GL_BLEND);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE);
+ glDepthMask(0);
+
+ draw_frame(rect);
+ Rect tbar_rect = {rect.x, rect.y, rect.w, rowspc};
+ draw_titlebar(tbar_rect);
+ Rect tabs_rect = {tbar_rect.x, tbar_rect.y + rowspc, tbar_rect.w, tbar_rect.h};
+ draw_tabs(tabs_rect);
+ Rect text_rect = {rect.x, tabs_rect.y + rowspc, rect.w, rect.h - tabs_rect.y - rowspc};
+ draw_text(text_rect);
+
+ glDepthMask(1);
+ glPopAttrib();
+
+ glPopMatrix();
+}
+
+static inline float *vrect(const Rect &rect, int i)
+{
+ static float v[2];
+ v[0] = ((i + 1) & 2) ? rect.x + rect.w : rect.x;
+ v[1] = (i & 2) ? rect.y : rect.y + rect.h;
+ return v;
+}
+
+static inline void draw_rect(const Rect &rect, int col)
+{
+ glBegin(GL_QUADS);
+ glColor3fv(color[col]);
+ for(int i=0; i<4; i++)
+ glVertex2fv(vrect(rect, i));
+ glEnd();
+}
+
+static void draw_frame(const Rect &rect)
+{
+ draw_rect(rect, COL_BG);
+ glLineWidth(2.0);
+ glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+ draw_rect(rect, COL_FRM);
+ glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+}
+
+static void draw_titlebar(const Rect &rect)
+{
+ draw_rect(rect, COL_FRM);
+
+ const char *title = ex->get_name();
+ if(title) {
+ glPushMatrix();
+ glTranslatef(rect.x + text_padding, rect.y + rect.h - text_padding, 0);
+ glScalef(text_scale, -text_scale, text_scale);
+
+ glColor3fv(color[COL_BG]);
+ dtx_string(ex->get_name());
+ glPopMatrix();
+ }
+}
+
+static void draw_tabs(const Rect &rect)
+{
+}
+
+static void draw_text(const Rect &rect)
+{
+}
+
+static void layout_text(const char *text)
+{
+ text_lines.clear();
+ if(!text) return;
+ if(!ui_font) return;
+
+ dtx_use_font(ui_font, ui_font_size);
+
+ float pos = text_padding;
+ text_lines.push_back(text);
+ const char *last_break = 0;
+
+ while(*text) {
+ if(*text == '\n') { // paragraph break
+ text_lines.push_back(text);
+ text_lines.push_back(++text);
+ pos = text_padding;
+ last_break = 0;
+ continue;
+ }
+
+ int code = dtx_utf8_char_code(text);
+ const char *next = dtx_utf8_next_char((char*)text);
+ pos += dtx_glyph_width(code) * text_scale;
+
+ if(code < 256 && isspace(code)) {
+ last_break = text;
+ }
+
+ if(pos >= size.x - text_padding) {
+ if(text == text_lines.back()) {
+ // not even a single character fits on a line... abort
+ warning_log("text layout failed. glyph %d doesn't fit in line (%g)\n", code, size.x - 2.0 * text_padding);
+ text_lines.clear();
+ return;
+ }
+ if(last_break) {
+ text_lines.push_back(last_break + 1);
+ last_break = 0;
+ } else {
+ // no good point to break, just break here
+ text_lines.push_back(text);
+ }
+ pos = text_padding;
+ }
+ text = next;
+ }
+ text_lines.push_back(0);
+ /*
+ debug_log("text layout:\n");
+ for(size_t i=0; i<text_lines.size() - 1; i++) {
+ const char *p = text_lines[i];
+ while(*p && p != text_lines[i + 1]) {
+ putchar(*p);
+ ++p;
+ }
+ putchar('\n');
+ }
+ debug_log("---\n");
+ */
}
projects / laserbrain_demo / blobdiff