From d3f413ebbbcecfa24563aecad53a611ffbf7add9 Mon Sep 17 00:00:00 2001
From: JailDoctor <jaildoctor@gmail.com>
Date: Wed, 11 Oct 2023 20:04:39 +0200
Subject: [PATCH] - Comencem a treballar en el gamestate de les sequencies

---
 source/gamestate_sequence.cpp | 87 +++++++++++++++++++++++++++++++++++
 source/gamestate_sequence.h   |  9 ++++
 2 files changed, 96 insertions(+)
 create mode 100644 source/gamestate_sequence.cpp
 create mode 100644 source/gamestate_sequence.h

diff --git a/source/gamestate_sequence.cpp b/source/gamestate_sequence.cpp
new file mode 100644
index 0000000..f895407
--- /dev/null
+++ b/source/gamestate_sequence.cpp
@@ -0,0 +1,87 @@
+#include "gamestate_sequence.h"
+#include "jgame.h"
+#include "jfile.h"
+#include "jinput.h"
+#include "jdraw.h"
+#include <string>
+#include <SDL2/SDL.h>
+
+#define DIAPO_ESPERAR		0
+#define DIAPO_FADEIN		1
+#define DIAPO_SHOW		    2
+#define DIAPO_PRINT		    3
+#define DIAPO_MUSICA		4
+#define DIAPO_FADEOUT		5
+#define DIAPO_FADEMUSIC	    6
+
+namespace gamestate
+{
+    namespace sequence
+    {
+        int num_diapositives = 0;
+        const char *sequence_file = nullptr;
+        uint32_t wait_until = 0;
+
+        bool loop()
+        {
+            if (wait_until>0 && SDL_GetTicks() < wait_until)
+            {
+                if (input::anyKey() || input::mouseBtn(1))
+                {
+                    wait_until=0;
+                }
+                else
+                {
+                    return true;
+                }
+            }
+
+            const char tipo_diapositiva = *(sequence_file++);
+            switch ( tipo_diapositiva )
+            {
+                case DIAPO_ESPERAR:
+                    const uint32_t wait_time = (uint16_t)((uint8_t(*(sequence_file++)) << 8) + uint8_t(*(sequence_file++)));
+                    wait_until = SDL_GetTicks() + wait_time;
+                    break;
+                case DIAPO_FADEIN:
+                {
+                    uint8_t tamanyCadena = *(sequence_file++);
+                    char *filename = (char *)malloc(tamanyCadena + 1);
+                    for (int i=0; i<tamanyCadena; i++) filename[i] = *(sequence_file++);
+                    filename[tamanyCadena] = '\0';
+                    draw::surface *pic = draw::loadSurface(filename);
+                    draw::setSource(pic);
+                    draw::draw(0, 0, 320, 200, 0, 0);
+                    draw::freeSurface(pic);
+                    free(filename);
+                    draw::fadein();
+                    break;
+                }
+            }
+        }
+
+        void init()
+        {
+            const int fase = game::getConfig("fase");
+            std::string filename;
+
+            switch (fase)
+            {
+                case -1: filename = "seqIN.seq"; break;
+                case  0: filename = "seq00.seq"; break;
+                case  5: filename = "seq05.seq"; break;
+                case 10: filename = "seq10.seq"; break;
+                case 15: filename = "seq15.seq"; break;
+                case 20: filename = "seq20.seq"; break;
+                case 25: filename = "seq25.seq"; break;
+                case 30: filename = "seq30.seq"; break;
+            }
+
+            int filesize;
+            sequence_file = file::getFileBuffer(filename, filesize);
+            num_diapositives = *(sequence_file++);
+
+            game::setState(&gamestate::sequence::loop);
+        }
+    }
+}
diff --git a/source/gamestate_sequence.h b/source/gamestate_sequence.h
new file mode 100644
index 0000000..c983c0a
--- /dev/null
+++ b/source/gamestate_sequence.h
@@ -0,0 +1,9 @@
+#pragma once
+
+namespace gamestate
+{
+    namespace sequence
+    {
+        void init();
+    }
+}