diff options
| -rw-r--r-- | engine/movie/intro.asm | 343 | ||||
| -rw-r--r-- | engine/movie/splash.asm | 342 | ||||
| -rw-r--r-- | main.asm | 1 |
3 files changed, 343 insertions, 343 deletions
diff --git a/engine/movie/intro.asm b/engine/movie/intro.asm index c255879a..01eff145 100644 --- a/engine/movie/intro.asm +++ b/engine/movie/intro.asm @@ -1,346 +1,3 @@ -Copyright_GameFreakPresents: -; Play the copyright screen and GameFreak Presents sequence. -; Return carry if user cancels animation by pressing a button. - - call ClearBGPalettes - call ClearTilemap - ld a, HIGH(vBGMap0) - ldh [hBGMapAddress + 1], a - xor a ; LOW(vBGMap0) - ldh [hBGMapAddress], a - ldh [hJoyDown], a - ldh [hSCX], a - ldh [hSCY], a - ld a, SCREEN_HEIGHT_PX - ldh [hWY], a - call WaitBGMap - ld b, SCGB_GAMEFREAK_LOGO - call GetSGBLayout - call SetPalettes - ld c, 10 - call DelayFrames - callfar Copyright - call WaitBGMap - ld c, 100 - call DelayFrames - call ClearTilemap - call .GetGFLogoGFX - -.loop - call .PlayFrame - jr nc, .loop - -; high bits of wJumptableIndex are recycled for some flags -; this was set if user canceled by pressing a button - ld a, [wJumptableIndex] - bit 6, a - jr nz, .canceled - -; clear carry flag from GameFreakPresents_PlayFrame - and a - ret - -.canceled - scf - ret - -.GetGFLogoGFX: -; Load gfx and initialize variables - - ld de, GameFreakLogoGFX - ld hl, vTiles1 - lb bc, BANK(GameFreakLogoGFX), 28 - call Get1bpp - - ld de, GameFreakLogoStarsGFX - ld hl, vTiles1 tile 28 - lb bc, BANK(GameFreakLogoStarsGFX), 5 - call Request2bpp - - farcall ClearSpriteAnims - - ld hl, wSpriteAnimDict - ld a, 6 - ld [hli], a - ld a, $8d - ld [hl], a - xor a - ld [wJumptableIndex], a - ld [wIntroSceneFrameCounter], a - ld [wIntroSceneTimer], a - ldh [hSCX], a - ldh [hSCY], a - ld a, 1 - ldh [hBGMapMode], a - ld a, SCREEN_HEIGHT_PX - ldh [hWY], a - lb de, %00100100, %11111000 - call DmgToCgbObjPals - ret - -.PlayFrame: -; Play one frame of GameFreakPresents sequence. -; Return carry when the sequence completes or is canceled. - - call JoyTextDelay - ldh a, [hJoyLast] - and BUTTONS - jr nz, .pressed_button - -; high bits of wJumptableIndex are recycled for some flags -; this is set when the sequence finished - ld a, [wJumptableIndex] - bit 7, a - jr nz, .finish - - farcall PlaySpriteAnimations - - call PlaceGameFreakPresents - call DelayFrame - -; ensure carry is cleared - and a - ret - -.pressed_button -; high bits of wJumptableIndex are recycled for some flags - ld hl, wJumptableIndex - set 6, [hl] - -.finish - callfar ClearSpriteAnims - call ClearTilemap - call ClearSprites - - ld c, 16 - call DelayFrames - - scf - ret - -PlaceGameFreakPresents: - jumptable .scenes, wJumptableIndex - -.scenes - dw GameFreakPresents_Star - dw GameFreakPresents_PlaceLogo - dw GameFreakPresents_LogoSparkles - dw GameFreakPresents_PlacePresents - dw GameFreakPresents_WaitForTimer - dw GameFreakPresents_SetDoneFlag - -GameFreakPresents_NextScene: - ld hl, wJumptableIndex - inc [hl] - ret - -Functione4a8d: ; unreferenced - ld c, 64 - call DelayFrames - call GameFreakPresents_NextScene - ret - -GameFreakPresents_Star: -; tell GameFreakPresents_PlaceLogo we haven't finished yet - xor a - ld [wIntroSceneFrameCounter], a - - depixel 10, 11, 4, 0 - ld a, SPRITE_ANIM_INDEX_GS_INTRO_STAR - call InitSpriteAnimStruct - - ld hl, SPRITEANIMSTRUCT_0C - add hl, bc - ld [hl], $80 - - ld de, SFX_GAME_FREAK_LOGO_GS - call PlaySFX - - call GameFreakPresents_NextScene - ret - -GameFreakPresents_PlaceLogo: -; Draw the Game Freak logo (may be initially invisible due to palette) - -; wait until the star animation completed -; this counter is set in DoAnimFrame.GSIntroStar in engine/gfx/sprite_anims.asm - ld a, [wIntroSceneFrameCounter] - and a - ret z - - depixel 10, 11, 4, 0 - ld a, SPRITE_ANIM_INDEX_GAMEFREAK_LOGO - call InitSpriteAnimStruct - - call GameFreakPresents_NextScene - -; set timer for GameFreakPresents_LogoSparkles - ld a, $80 - ld [wIntroSceneTimer], a - ret - -GameFreakPresents_LogoSparkles: - ld hl, wIntroSceneTimer - ld a, [hl] - and a - jr z, .done - dec [hl] - -; add first text when timer passes half - cp $3f - call z, GameFreakPresents_PlaceGameFreak - -; add sparkles continuously - call GameFreakPresents_Sparkle - ret - -.done -; set timer for GameFreakPresents_PlacePresents - ld [hl], $80 - call GameFreakPresents_NextScene - ret - -GameFreakPresents_PlaceGameFreak: - hlcoord 5, 12 - ld de, .game_freak - call PlaceString - ret - -.game_freak - db $80, $81, $82, $83, $8d, $84, $85, $83, $81, $86 - db "@" - -GameFreakPresents_PlacePresents: - hlcoord 7, 13 - ld de, .presents - call PlaceString - - call GameFreakPresents_NextScene - -; set timer for GameFreakPresents_WaitForTimer - ld a, $80 - ld [wIntroSceneTimer], a - ret - -.presents - db $87, $88, $89, $8a, $8b, $8c - db "@" - -GameFreakPresents_SetDoneFlag: -; Tell GameFreakPresents_PlayFrame and TitleScreenFrame that we're finished. - - ld hl, wJumptableIndex - set 7, [hl] - ret - -GameFreakPresents_WaitForTimer: - ld hl, wIntroSceneTimer - ld a, [hl] - and a - jr z, .done - dec [hl] - ret -.done - call GameFreakPresents_NextScene - ret - -GameFreakPresents_UpdateLogoPal: -; called from DoAnimFrame.GameFreakLogo -; OBP1 was initialized at end of GameFreakPresents_Init - -; once we reached the final state, leave it alone - ldh a, [rOBP1] - cp %10010000 - ret z - -; wait 16 frames before next change - ld a, [wIntroSceneTimer] - and $f - ret nz - -; rotate OBP1 by one color slot (2 bits) -; DMG: logo is white, then light gray, then dark gray -; CGB: logo is white, then yellow - ldh a, [rOBP1] - rrca - rrca - call DmgToCgbObjPal1 - ret - -GameFreakPresents_Sparkle: -; Initialize and configure a sparkle sprite. - -; run only every second frame - ld d, a - and 1 - ret nz - -; shift over so our index is still changing by 1 each time - ld a, d - srl a - -; set up a new sparkle sprite - push af - depixel 11, 11 - ld a, SPRITE_ANIM_INDEX_GS_INTRO_SPARKLE - call InitSpriteAnimStruct - pop af - -; take the bottom 4 bits of a as an index into -; sparkle_vectors (16 entries) - and %00001111 - ld e, a - ld d, 0 - ld hl, .sparkle_vectors - add hl, de - add hl, de - -; set the angle and distance for this sprite - ld e, l - ld d, h - ld hl, SPRITEANIMSTRUCT_JUMPTABLE_INDEX - add hl, bc - ld a, [de] - ld [hl], a ; angle - inc de - ld hl, SPRITEANIMSTRUCT_0C - add hl, bc - ld [hl], 0 - inc hl ; SPRITEANIMSTRUCT_0D - ld a, [de] - ld [hl], a ; distance - ret - -.sparkle_vectors -; values control final position of each sparkle -; position is automatically animated along the vector -; each entry emits two sparkles in opposite directions -; angle (6 bits) and distance (tiles?) - db $00, $03 - db $08, $04 - db $04, $03 - db $0c, $02 - db $10, $02 - db $18, $03 - db $14, $04 - db $1c, $03 - db $20, $02 - db $28, $02 - db $24, $03 - db $2c, $04 - db $30, $04 - db $38, $03 - db $34, $02 - db $3c, $04 - -GameFreakLogoGFX: -INCBIN "gfx/splash/gamefreak_presents.1bpp" -INCBIN "gfx/splash/gamefreak_logo.1bpp" - -GameFreakLogoStarsGFX: -INCBIN "gfx/splash/logo_star.2bpp" -INCBIN "gfx/splash/logo_sparkle.2bpp" - GoldSilverIntro: call .Init .Loop: diff --git a/engine/movie/splash.asm b/engine/movie/splash.asm new file mode 100644 index 00000000..927d13c7 --- /dev/null +++ b/engine/movie/splash.asm @@ -0,0 +1,342 @@ +Copyright_GameFreakPresents: +; Play the copyright screen and GameFreak Presents sequence. +; Return carry if user cancels animation by pressing a button. + + call ClearBGPalettes + call ClearTilemap + ld a, HIGH(vBGMap0) + ldh [hBGMapAddress + 1], a + xor a ; LOW(vBGMap0) + ldh [hBGMapAddress], a + ldh [hJoyDown], a + ldh [hSCX], a + ldh [hSCY], a + ld a, SCREEN_HEIGHT_PX + ldh [hWY], a + call WaitBGMap + ld b, SCGB_GAMEFREAK_LOGO + call GetSGBLayout + call SetPalettes + ld c, 10 + call DelayFrames + callfar Copyright + call WaitBGMap + ld c, 100 + call DelayFrames + call ClearTilemap + call .GetGFLogoGFX + +.loop + call .PlayFrame + jr nc, .loop + +; high bits of wJumptableIndex are recycled for some flags +; this was set if user canceled by pressing a button + ld a, [wJumptableIndex] + bit 6, a + jr nz, .canceled + +; clear carry flag from GameFreakPresents_PlayFrame + and a + ret + +.canceled + scf + ret + +.GetGFLogoGFX: +; Load gfx and initialize variables + + ld de, GameFreakLogoGFX + ld hl, vTiles1 + lb bc, BANK(GameFreakLogoGFX), 28 + call Get1bpp + + ld de, GameFreakLogoStarsGFX + ld hl, vTiles1 tile 28 + lb bc, BANK(GameFreakLogoStarsGFX), 5 + call Request2bpp + + farcall ClearSpriteAnims + + ld hl, wSpriteAnimDict + ld a, 6 + ld [hli], a + ld a, $8d + ld [hl], a + xor a + ld [wJumptableIndex], a + ld [wIntroSceneFrameCounter], a + ld [wIntroSceneTimer], a + ldh [hSCX], a + ldh [hSCY], a + ld a, 1 + ldh [hBGMapMode], a + ld a, SCREEN_HEIGHT_PX + ldh [hWY], a + lb de, %00100100, %11111000 + call DmgToCgbObjPals + ret + +.PlayFrame: +; Play one frame of GameFreakPresents sequence. +; Return carry when the sequence completes or is canceled. + + call JoyTextDelay + ldh a, [hJoyLast] + and BUTTONS + jr nz, .pressed_button + +; high bits of wJumptableIndex are recycled for some flags +; this is set when the sequence finished + ld a, [wJumptableIndex] + bit 7, a + jr nz, .finish + + farcall PlaySpriteAnimations + + call PlaceGameFreakPresents + call DelayFrame + +; ensure carry is cleared + and a + ret + +.pressed_button +; high bits of wJumptableIndex are recycled for some flags + ld hl, wJumptableIndex + set 6, [hl] + +.finish + callfar ClearSpriteAnims + call ClearTilemap + call ClearSprites + + ld c, 16 + call DelayFrames + + scf + ret + +PlaceGameFreakPresents: + jumptable .scenes, wJumptableIndex + +.scenes + dw GameFreakPresents_Star + dw GameFreakPresents_PlaceLogo + dw GameFreakPresents_LogoSparkles + dw GameFreakPresents_PlacePresents + dw GameFreakPresents_WaitForTimer + dw GameFreakPresents_SetDoneFlag + +GameFreakPresents_NextScene: + ld hl, wJumptableIndex + inc [hl] + ret + +Functione4a8d: ; unreferenced + ld c, 64 + call DelayFrames + call GameFreakPresents_NextScene + ret + +GameFreakPresents_Star: +; tell GameFreakPresents_PlaceLogo we haven't finished yet + xor a + ld [wIntroSceneFrameCounter], a + + depixel 10, 11, 4, 0 + ld a, SPRITE_ANIM_INDEX_GS_INTRO_STAR + call InitSpriteAnimStruct + + ld hl, SPRITEANIMSTRUCT_0C + add hl, bc + ld [hl], $80 + + ld de, SFX_GAME_FREAK_LOGO_GS + call PlaySFX + + call GameFreakPresents_NextScene + ret + +GameFreakPresents_PlaceLogo: +; Draw the Game Freak logo (may be initially invisible due to palette) + +; wait until the star animation completed +; this counter is set in DoAnimFrame.GSIntroStar in engine/gfx/sprite_anims.asm + ld a, [wIntroSceneFrameCounter] + and a + ret z + + depixel 10, 11, 4, 0 + ld a, SPRITE_ANIM_INDEX_GAMEFREAK_LOGO + call InitSpriteAnimStruct + + call GameFreakPresents_NextScene + +; set timer for GameFreakPresents_LogoSparkles + ld a, $80 + ld [wIntroSceneTimer], a + ret + +GameFreakPresents_LogoSparkles: + ld hl, wIntroSceneTimer + ld a, [hl] + and a + jr z, .done + dec [hl] + +; add first text when timer passes half + cp $3f + call z, GameFreakPresents_PlaceGameFreak + +; add sparkles continuously + call GameFreakPresents_Sparkle + ret + +.done +; set timer for GameFreakPresents_PlacePresents + ld [hl], $80 + call GameFreakPresents_NextScene + ret + +GameFreakPresents_PlaceGameFreak: + hlcoord 5, 12 + ld de, .game_freak + call PlaceString + ret + +.game_freak + db $80, $81, $82, $83, $8d, $84, $85, $83, $81, $86 + db "@" + +GameFreakPresents_PlacePresents: + hlcoord 7, 13 + ld de, .presents + call PlaceString + + call GameFreakPresents_NextScene + +; set timer for GameFreakPresents_WaitForTimer + ld a, $80 + ld [wIntroSceneTimer], a + ret + +.presents + db $87, $88, $89, $8a, $8b, $8c + db "@" + +GameFreakPresents_SetDoneFlag: +; Tell GameFreakPresents_PlayFrame and TitleScreenFrame that we're finished. + + ld hl, wJumptableIndex + set 7, [hl] + ret + +GameFreakPresents_WaitForTimer: + ld hl, wIntroSceneTimer + ld a, [hl] + and a + jr z, .done + dec [hl] + ret +.done + call GameFreakPresents_NextScene + ret + +GameFreakPresents_UpdateLogoPal: +; called from DoAnimFrame.GameFreakLogo +; OBP1 was initialized at end of GameFreakPresents_Init + +; once we reached the final state, leave it alone + ldh a, [rOBP1] + cp %10010000 + ret z + +; wait 16 frames before next change + ld a, [wIntroSceneTimer] + and $f + ret nz + +; rotate OBP1 by one color slot (2 bits) +; DMG: logo is white, then light gray, then dark gray +; CGB: logo is white, then yellow + ldh a, [rOBP1] + rrca + rrca + call DmgToCgbObjPal1 + ret + +GameFreakPresents_Sparkle: +; Initialize and configure a sparkle sprite. + +; run only every second frame + ld d, a + and 1 + ret nz + +; shift over so our index is still changing by 1 each time + ld a, d + srl a + +; set up a new sparkle sprite + push af + depixel 11, 11 + ld a, SPRITE_ANIM_INDEX_GS_INTRO_SPARKLE + call InitSpriteAnimStruct + pop af + +; take the bottom 4 bits of a as an index into +; sparkle_vectors (16 entries) + and %00001111 + ld e, a + ld d, 0 + ld hl, .sparkle_vectors + add hl, de + add hl, de + +; set the angle and distance for this sprite + ld e, l + ld d, h + ld hl, SPRITEANIMSTRUCT_JUMPTABLE_INDEX + add hl, bc + ld a, [de] + ld [hl], a ; angle + inc de + ld hl, SPRITEANIMSTRUCT_0C + add hl, bc + ld [hl], 0 + inc hl ; SPRITEANIMSTRUCT_0D + ld a, [de] + ld [hl], a ; distance + ret + +.sparkle_vectors +; values control final position of each sparkle +; position is automatically animated along the vector +; each entry emits two sparkles in opposite directions +; angle (6 bits) and distance (tiles?) + db $00, $03 + db $08, $04 + db $04, $03 + db $0c, $02 + db $10, $02 + db $18, $03 + db $14, $04 + db $1c, $03 + db $20, $02 + db $28, $02 + db $24, $03 + db $2c, $04 + db $30, $04 + db $38, $03 + db $34, $02 + db $3c, $04 + +GameFreakLogoGFX: +INCBIN "gfx/splash/gamefreak_presents.1bpp" +INCBIN "gfx/splash/gamefreak_logo.1bpp" + +GameFreakLogoStarsGFX: +INCBIN "gfx/splash/logo_star.2bpp" +INCBIN "gfx/splash/logo_sparkle.2bpp" @@ -343,6 +343,7 @@ INCBIN "gfx/title/lugia_silver.2bpp.lz" ENDC INCLUDE "engine/menus/options_menu.asm" +INCLUDE "engine/movie/splash.asm" INCLUDE "engine/movie/intro.asm" |