X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=laserbrain_demo;a=blobdiff_plain;f=src%2Fui_exhibit.cc;h=355d0783acabf28ed45061782fd0024154a9d7be;hp=409bd94946e4ea5d53a7407ac5662f159508d315;hb=7ffa5c50d9254af9bd746fc5e6bc8e5db8eda675;hpb=37b68f014b46922b885c6344d6b069cba3c9c3c5

diff --git a/src/ui_exhibit.cc b/src/ui_exhibit.cc
index 409bd94..355d078 100644
--- a/src/ui_exhibit.cc
+++ b/src/ui_exhibit.cc
@@ -1,8 +1,28 @@
 #include "ui_exhibit.h"
+#include "ui.h"
 #include "app.h"
+#include <drawtext.h>
+
+static void draw_titlebar();
+static void draw_tabs();
+static void layout_text(const char *text);
+
+static Vec3 pos;
+static Vec2 size;
+static float text_padding;
+static Exhibit *ex;
+static int vis_tab;
+static float scroll;
+static std::vector<const char*> text_lines;
+static AudioStream *voice;
+
 
 bool exui_init()
 {
+	size.x = 150;
+	size.y = 180;
+	text_padding = size.x * 0.01;
+
 	return true;
 }
 
@@ -10,12 +30,103 @@ void exui_shutdown()
 {
 }
 
+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;
 
+	draw_titlebar();
+	draw_tabs();
+}
+
+static void draw_titlebar()
+{
+}
+
+static void draw_tabs()
+{
+}
+
+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);
+
+		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;
+	}
 }