371 lines
15 KiB
C++
371 lines
15 KiB
C++
#include "game/scenes/intro_sprites_scene.hpp"
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#include <algorithm>
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#include <cstdlib>
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#include "core/jail/jdraw8.hpp"
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#include "core/jail/jinput.hpp"
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#include "game/options.hpp"
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namespace {
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// Duració d'un pas. El vell doIntroSprites feia JG_SetUpdateTicks(20);
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// cada iteració del seu for (i) consumia un tick de 20 ms.
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constexpr int TICK_MS = 20;
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// Taules de frames. Ubicacions de cada sprite dins el gfx de la intro
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// (gfx/logo.gif o gfx/logo_new.gif — el layout de sprites és el mateix).
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// Cada sprite ocupa 15×15 px, disposats horitzontalment per fila.
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// Els valors són els offsets x (la y la posa l'invocador al src_y).
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// Derivats dels `fr_ani_N[i] = ...` del vell doIntroSprites.
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constexpr Uint16 FR1[] = {0, 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180}; // camina dreta (y=0)
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constexpr Uint16 FR2[] = {0, 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180}; // camina esquerra (y=15)
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constexpr Uint16 FR3[] = {0, 15, 30, 45, 60, 75, 90, 105, 120, 135, 150}; // trau mapa dreta (y=30)
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constexpr Uint16 FR4[] = {0, 15, 30, 45, 60, 75, 90, 105, 120, 135, 150}; // trau mapa esquerra (y=45)
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constexpr Uint16 FR5[] = {165, 180, 195, 210, 225, 240, 255, 270, 285, 300, 300, 285, 270, 255, 240, 225, 210, 195, 180, 165}; // bot de susto (y=45, mirror)
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constexpr Uint16 FR6[] = {0, 15, 30, 45, 60, 75, 90, 105}; // momia (y=60)
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constexpr Uint16 FR7[] = {75, 90, 105, 120, 135, 150, 165, 180, 195, 210, 225, 240, 255, 270, // paper (y=75, idx 0..13)
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0,
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15,
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30,
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45,
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60,
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75,
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90,
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105,
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120,
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135,
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150,
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165,
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180,
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195,
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210}; // sombra (y=105, idx 14..28)
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constexpr Uint16 FR8[] = {15, 30, 45, 60}; // pedra (y=75)
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constexpr Uint16 FR9[] = {0, 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 210, 225}; // prota ball (y=120)
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constexpr Uint16 FR10[] = {0, 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 210, 225}; // momia ball (y=135)
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constexpr Uint16 FR11[] = {15, 30, 45, 60, 75, 60}; // altaveu (y=90, [5]=[3] pel loop de 4)
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constexpr Uint16 CREU = 75; // src_y de la creu (overlay)
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constexpr Uint16 INTERROGANT = 90; // src_y del signe d'interrogant
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// Equivalent de la funció `drawIntroWordmark` de modulesequence.cpp.
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// Branqueja segons use_new_logo perquè la mateixa sub-escena es
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// reutilitza des de IntroScene (logo vell) i IntroNewLogoScene (logo
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// nou) amb arxius diferents però mateix layout de sprites.
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void drawWordmark(const Uint8* gfx) {
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if (Options::game.use_new_logo) {
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// Centrat: (320 − 188) / 2 = 66 (IntroNewLogoScene usa la mateixa x).
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Jd8::blit(66, 78, gfx, 60, 158, 188, 28);
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} else {
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Jd8::blit(43, 78, gfx, 43, 155, 231, 45);
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}
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}
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using RenderFn = void (*)(const Uint8*, int);
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// Una fase — rang [start_i..end_i] inclusive (direcció implícita per
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// signe), funció de render, i flag d'skippable. Totes les fases actuals
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// són skippables; el flag es conserva per si alguna futura ha de ser
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// no interrompuda (p.ex. un logo fatídic que cal veure sencer).
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struct SpritePhase {
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int start_i;
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int end_i;
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RenderFn render;
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bool skippable;
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};
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// =========================================================================
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// Variant 0 — Interrogant / Momia
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// =========================================================================
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void v0WalkRight(const Uint8* gfx, int i) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(i, 150, gfx, FR1[(i / 5) % 13], 0, 15, 15, 0);
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}
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void v0PullMapRight(const Uint8* gfx, int i) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(200, 150, gfx, FR3[std::min(i / 5, 10)], 30, 15, 15, 0);
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}
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void v0WalkLeftTo80(const Uint8* gfx, int i) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(i, 150, gfx, FR2[(i / 5) % 13], 15, 15, 15, 0);
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}
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void v0PullMapLeft(const Uint8* gfx, int i) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(80, 150, gfx, FR4[std::min(i / 5, 10)], 45, 15, 15, 0);
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}
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void v0MomiaLeft(const Uint8* gfx, int i) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(i, 150, gfx, FR6[(i / 5) % 8], 60, 15, 15, 0);
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Jd8::blitCK(80, 150, gfx, FR4[10], 45, 15, 15, 0);
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}
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void v0Turn(const Uint8* gfx, int /*i*/) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(80, 150, gfx, FR1[1], 0, 15, 15, 0);
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Jd8::blitCK(95, 150, gfx, FR6[4], 60, 15, 15, 0);
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Jd8::blitCK(80, 133, gfx, 0, INTERROGANT, 15, 15, 0);
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}
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void v0Jump1(const Uint8* gfx, int i) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(80, 150 - ((i % 50) / 5), gfx, FR5[std::min(i / 5, 19)], 45, 15, 15, 0);
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Jd8::blitCK(95, 150, gfx, FR6[4], 60, 15, 15, 0);
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}
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void v0Jump2(const Uint8* gfx, int i) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(80, 140 + ((i % 50) / 5), gfx, FR5[std::min(i / 5, 19)], 45, 15, 15, 0);
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Jd8::blitCK(95, 150, gfx, FR6[4], 60, 15, 15, 0);
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}
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void v0WalkFinal(const Uint8* gfx, int i) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(i, 150, gfx, FR2[(i / 5) % 13], 15, 15, 15, 0);
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Jd8::blitCK(95, 150, gfx, FR6[4], 60, 15, 15, 0);
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}
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void v0Final(const Uint8* gfx, int /*i*/) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(95, 150, gfx, FR6[4], 60, 15, 15, 0);
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Jd8::blitCK(95, 133, gfx, 0, INTERROGANT, 15, 15, 0);
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}
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constexpr SpritePhase VARIANT_0[] = {
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{.start_i = 0, .end_i = 200, .render = v0WalkRight, .skippable = true},
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{.start_i = 0, .end_i = 200, .render = v0PullMapRight, .skippable = true},
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{.start_i = 200, .end_i = 0, .render = v0PullMapRight, .skippable = true}, // guarda el mapa (reprodueix inversament)
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{.start_i = 200, .end_i = 80, .render = v0WalkLeftTo80, .skippable = true},
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{.start_i = 0, .end_i = 200, .render = v0PullMapLeft, .skippable = true},
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{.start_i = 300, .end_i = 95, .render = v0MomiaLeft, .skippable = true},
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{.start_i = 0, .end_i = 50, .render = v0Turn, .skippable = true},
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{.start_i = 0, .end_i = 49, .render = v0Jump1, .skippable = true},
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{.start_i = 50, .end_i = 99, .render = v0Jump2, .skippable = true},
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{.start_i = 80, .end_i = 0, .render = v0WalkFinal, .skippable = true},
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{.start_i = 0, .end_i = 150, .render = v0Final, .skippable = true},
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};
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// =========================================================================
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// Variant 1 — Creu / Pedra
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// =========================================================================
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void v1WalkRight(const Uint8* gfx, int i) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(200, 155, gfx, 0, CREU, 15, 15, 255);
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Jd8::blitCK(i, 150, gfx, FR1[(i / 5) % 13], 0, 15, 15, 255);
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}
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void v1PullMap(const Uint8* gfx, int i) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(200, 155, gfx, 0, CREU, 15, 15, 255);
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Jd8::blitCK(200, 150, gfx, FR3[std::min(i / 5, 10)], 30, 15, 15, 255);
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}
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void v1Interrogant(const Uint8* gfx, int /*i*/) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(200, 155, gfx, 0, CREU, 15, 15, 255);
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Jd8::blitCK(200, 134, gfx, 0, INTERROGANT, 15, 15, 255);
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Jd8::blitCK(200, 150, gfx, FR3[10], 30, 15, 15, 255);
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}
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void v1DropMap(const Uint8* gfx, int i) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(200, 155, gfx, 0, CREU, 15, 15, 255);
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const int IDX = std::min(i / 5, 28);
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// FR7 té 29 frames dividits en dos grups: paper (idx 0..13, src_y=75)
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// i sombra (idx 14..28, src_y=105). El vell feia una branca al bucle.
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if (IDX <= 13) {
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Jd8::blitCK(200, 150, gfx, FR7[IDX], 75, 15, 15, 255);
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} else {
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Jd8::blitCK(200, 150, gfx, FR7[IDX], 105, 15, 15, 255);
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}
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}
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void v1StoneFall(const Uint8* gfx, int i) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(200, 155, gfx, 0, CREU, 15, 15, 255);
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Jd8::blitCK(200, 150, gfx, FR7[28], 105, 15, 15, 255);
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Jd8::blitCK(200, i * 2, gfx, FR8[0], 75, 15, 15, 255);
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}
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void v1StoneBreak(const Uint8* gfx, int i) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(200, 155, gfx, 0, CREU, 15, 15, 255);
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Jd8::blitCK(200, 150, gfx, FR8[i / 10], 75, 15, 15, 255);
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}
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void v1Final(const Uint8* gfx, int /*i*/) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(200, 155, gfx, 0, CREU, 15, 15, 255);
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Jd8::blitCK(200, 150, gfx, FR8[1], 75, 15, 15, 255);
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Jd8::blitCK(185, 150, gfx, FR8[2], 75, 15, 15, 255);
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Jd8::blitCK(215, 150, gfx, FR8[3], 75, 15, 15, 255);
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}
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constexpr SpritePhase VARIANT_1[] = {
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{.start_i = 0, .end_i = 200, .render = v1WalkRight, .skippable = true},
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{.start_i = 0, .end_i = 300, .render = v1PullMap, .skippable = true},
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{.start_i = 0, .end_i = 100, .render = v1Interrogant, .skippable = true},
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{.start_i = 0, .end_i = 200, .render = v1DropMap, .skippable = true},
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{.start_i = 0, .end_i = 75, .render = v1StoneFall, .skippable = true},
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{.start_i = 0, .end_i = 19, .render = v1StoneBreak, .skippable = true},
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{.start_i = 0, .end_i = 200, .render = v1Final, .skippable = true},
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};
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// =========================================================================
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// Variant 2 — Ball de carnaval
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// =========================================================================
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void v2Approach(const Uint8* gfx, int i) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(i, 150, gfx, FR1[(i / 5) % 13], 0, 15, 15, 255);
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Jd8::blitCK(304 - i, 150, gfx, FR6[(i / 10) % 8], 60, 15, 15, 255);
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}
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void v2Still(const Uint8* gfx, int /*i*/) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(145, 150, gfx, FR1[1], 0, 15, 15, 255);
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Jd8::blitCK(160, 150, gfx, FR6[1], 60, 15, 15, 255);
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}
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void v2Horn(const Uint8* gfx, int i) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(125, 150, gfx, FR11[(i / 10) % 2], 90, 15, 15, 255);
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Jd8::blitCK(145, 150, gfx, FR1[1], 0, 15, 15, 255);
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Jd8::blitCK(160, 150, gfx, FR6[1], 60, 15, 15, 255);
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}
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void v2Ball(const Uint8* gfx, int i) {
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Jd8::clearScreen(0);
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drawWordmark(gfx);
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Jd8::blitCK(145, 150, gfx, FR9[(i / 10) % 16], 120, 15, 15, 255);
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Jd8::blitCK(160, 150, gfx, FR10[(i / 10) % 16], 135, 15, 15, 255);
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Jd8::blitCK(125, 150, gfx, FR11[((i / 5) % 4) + 2], 90, 15, 15, 255);
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}
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constexpr SpritePhase VARIANT_2[] = {
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{.start_i = 0, .end_i = 145, .render = v2Approach, .skippable = true},
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{.start_i = 0, .end_i = 100, .render = v2Still, .skippable = true},
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{.start_i = 0, .end_i = 50, .render = v2Horn, .skippable = true},
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{.start_i = 0, .end_i = 800, .render = v2Ball, .skippable = true},
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};
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// =========================================================================
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// Dispatch per variant
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// =========================================================================
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auto variantTable(int variant) -> const SpritePhase* {
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switch (variant) {
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case 0:
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return VARIANT_0;
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case 1:
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return VARIANT_1;
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case 2:
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return VARIANT_2;
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default:
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return VARIANT_0;
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}
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}
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auto variantLength(int variant) -> int {
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switch (variant) {
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case 0:
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return sizeof(VARIANT_0) / sizeof(VARIANT_0[0]);
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case 1:
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return sizeof(VARIANT_1) / sizeof(VARIANT_1[0]);
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case 2:
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return sizeof(VARIANT_2) / sizeof(VARIANT_2[0]);
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default:
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return 0;
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}
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}
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auto phaseStepCount(const SpritePhase& p) -> int {
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return std::abs(p.end_i - p.start_i) + 1;
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}
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auto phaseCurrentI(const SpritePhase& p, int step) -> int {
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return p.end_i >= p.start_i ? p.start_i + step : p.start_i - step;
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}
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} // namespace
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namespace scenes {
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IntroSpritesScene::IntroSpritesScene(SurfaceHandle&& gfx)
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: gfx_(std::move(gfx)) {}
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void IntroSpritesScene::onEnter() {
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// El vell doIntroSprites feia `rand() % 3` al principi. El seed ve
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// establert per `srand(time(0))` al boot del joc (info.cpp / main),
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// així que la variant canvia entre execucions.
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variant_ = std::rand() % 3;
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phase_ = 0;
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phase_step_ = 0;
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step_acc_ms_ = 0;
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done_ = false;
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// Renderitzem ja el primer frame (step 0 de la primera fase) perquè
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// el Jd8::flip del mini-loop del fiber el pinte al primer cicle.
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const SpritePhase* phases = variantTable(variant_);
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phases[0].render(gfx_.get(), phaseCurrentI(phases[0], 0));
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}
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void IntroSpritesScene::tick(int delta_ms) {
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if (done_) {
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return;
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}
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const SpritePhase* phases = variantTable(variant_);
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const int NUM_PHASES = variantLength(variant_);
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// Skip per tecla. Durant la fase marcada com a no skippable (només
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// v0Final al vell codi) s'ignora — preserva la semàntica del vell
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// bucle final de la variant 0 que no cridava wait_frame_or_skip.
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if (phases[phase_].skippable && JI_AnyKey()) {
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done_ = true;
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return;
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}
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step_acc_ms_ += delta_ms;
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while (step_acc_ms_ >= TICK_MS && !done_) {
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step_acc_ms_ -= TICK_MS;
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++phase_step_;
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if (phase_step_ >= phaseStepCount(phases[phase_])) {
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++phase_;
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phase_step_ = 0;
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if (phase_ >= NUM_PHASES) {
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done_ = true;
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return;
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}
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}
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}
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phases[phase_].render(gfx_.get(), phaseCurrentI(phases[phase_], phase_step_));
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}
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} // namespace scenes
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